Base | Representation |
---|---|
bin | 111001100100… |
… | …001001001100 |
3 | 1001101122221020 |
4 | 321210021030 |
5 | 12330342002 |
6 | 1255234140 |
7 | 242156622 |
oct | 71441114 |
9 | 31348836 |
10 | 15090252 |
11 | 8577591 |
12 | 5078950 |
13 | 3184758 |
14 | 200b512 |
15 | 14d12bc |
hex | e6424c |
15090252 has 12 divisors (see below), whose sum is σ = 35210616. Its totient is φ = 5030080.
The previous prime is 15090247. The next prime is 15090289. The reversal of 15090252 is 25209051.
It is a tau number, because it is divible by the number of its divisors (12).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 628749 + ... + 628772.
It is an arithmetic number, because the mean of its divisors is an integer number (2934218).
Almost surely, 215090252 is an apocalyptic number.
15090252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
15090252 is an abundant number, since it is smaller than the sum of its proper divisors (20120364).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15090252 is a wasteful number, since it uses less digits than its factorization.
15090252 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1257528 (or 1257526 counting only the distinct ones).
The product of its (nonzero) digits is 900, while the sum is 24.
The square root of 15090252 is about 3884.6173556735. The cubic root of 15090252 is about 247.1148422125.
The spelling of 15090252 in words is "fifteen million, ninety thousand, two hundred fifty-two".
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