Base | Representation |
---|---|
bin | 10010101111000… |
… | …00011110101100 |
3 | 101221201102021110 |
4 | 21113200132230 |
5 | 310213013132 |
6 | 23332232020 |
7 | 3615546345 |
oct | 1127403654 |
9 | 357642243 |
10 | 157157292 |
11 | 80790666 |
12 | 4476b610 |
13 | 267368a6 |
14 | 16c2d0cc |
15 | dbe51cc |
hex | 95e07ac |
157157292 has 24 divisors (see below), whose sum is σ = 369342400. Its totient is φ = 52008336.
The previous prime is 157157281. The next prime is 157157311. The reversal of 157157292 is 292751751.
It is a happy number.
157157292 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 157157292.
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, 45442 + ... + 48777.
Almost surely, 2157157292 is an apocalyptic number.
157157292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
157157292 is an abundant number, since it is smaller than the sum of its proper divisors (212185108).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157157292 is a wasteful number, since it uses less digits than its factorization.
157157292 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 94365 (or 94363 counting only the distinct ones).
The product of its digits is 44100, while the sum is 39.
The square root of 157157292 is about 12536.2391489633. The cubic root of 157157292 is about 539.6491685519.
The spelling of 157157292 in words is "one hundred fifty-seven million, one hundred fifty-seven thousand, two hundred ninety-two".
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