Base | Representation |
---|---|
bin | 10010110100001… |
… | …00111111110000 |
3 | 101222222122122020 |
4 | 21122010333300 |
5 | 310401044102 |
6 | 23354511440 |
7 | 3624354063 |
oct | 1132047760 |
9 | 358878566 |
10 | 157831152 |
11 | 81100976 |
12 | 44a35580 |
13 | 2691151b |
14 | 16d668da |
15 | dcc9bbc |
hex | 9684ff0 |
157831152 has 40 divisors (see below), whose sum is σ = 425460864. Its totient is φ = 50322624.
The previous prime is 157831147. The next prime is 157831169. The reversal of 157831152 is 251138751.
157831152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70378 + ... + 72585.
Almost surely, 2157831152 is an apocalyptic number.
157831152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
157831152 is an abundant number, since it is smaller than the sum of its proper divisors (267629712).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157831152 is a wasteful number, since it uses less digits than its factorization.
157831152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 142997 (or 142991 counting only the distinct ones).
The product of its digits is 8400, while the sum is 33.
The square root of 157831152 is about 12563.0868818137. The cubic root of 157831152 is about 540.4193724412.
The spelling of 157831152 in words is "one hundred fifty-seven million, eight hundred thirty-one thousand, one hundred fifty-two".
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