4300

Properties by base:

More about this number at Positiv Integers and Number Empire.

The number is not a prime.

Its 5 (3 unique) factors are:
2² = 4
5² = 25
43

Its 18 divisors are:
1
2
4
5
10
20
25
43
50
86
100
172
215
430
860
1075
2150
4300
Its aliquote sum is:
5248
makeing it a abundant number.

The number appears at position 1357 of the decimal digits of π surrounded by
58038150193511253382430035587640247496473263 Source: The Pi-Search Page

Computations done with Math::BigInt 1.999811 and Math::Pari 2.030523 based on PARI/GP 2.11.3 (elapsed: 768.987ms; cpu: 72.6489999999984ms)