Base | Representation |
---|---|
bin | 10010110100001… |
… | …10111110010100 |
3 | 102000000001202020 |
4 | 21122012332110 |
5 | 310401324002 |
6 | 23355013140 |
7 | 3624416514 |
oct | 1132067624 |
9 | 360001666 |
10 | 157839252 |
11 | 81106a6a |
12 | 44a3a1b0 |
13 | 2691510c |
14 | 16d69844 |
15 | dccc2bc |
hex | 9686f94 |
157839252 has 12 divisors (see below), whose sum is σ = 368291616. Its totient is φ = 52613080.
The previous prime is 157839239. The next prime is 157839277. The reversal of 157839252 is 252938751.
It is a happy number.
157839252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
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, 6576624 + ... + 6576647.
It is an arithmetic number, because the mean of its divisors is an integer number (30690968).
Almost surely, 2157839252 is an apocalyptic number.
157839252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
157839252 is an abundant number, since it is smaller than the sum of its proper divisors (210452364).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157839252 is a wasteful number, since it uses less digits than its factorization.
157839252 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13153278 (or 13153276 counting only the distinct ones).
The product of its digits is 151200, while the sum is 42.
The square root of 157839252 is about 12563.4092506771. The cubic root of 157839252 is about 540.4286171773.
It can be divided in two parts, 15 and 7839252, that multiplied together give a triangular number (117588780 = T15335).
The spelling of 157839252 in words is "one hundred fifty-seven million, eight hundred thirty-nine thousand, two hundred fifty-two".
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