Base | Representation |
---|---|
bin | 10010110011000… |
… | …00001001000000 |
3 | 101222200222120010 |
4 | 21121200021000 |
5 | 310331231232 |
6 | 23351344520 |
7 | 3623155005 |
oct | 1131401100 |
9 | 358628503 |
10 | 157680192 |
11 | 8100850a |
12 | 44982140 |
13 | 2688a8b7 |
14 | 16d278ac |
15 | dc9a0cc |
hex | 9660240 |
157680192 has 56 divisors (see below), whose sum is σ = 431596800. Its totient is φ = 50745856.
The previous prime is 157680191. The next prime is 157680217. The reversal of 157680192 is 291086751.
It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 157680192.
It is not an unprimeable number, because it can be changed into a prime (157680191) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8592 + ... + 19727.
Almost surely, 2157680192 is an apocalyptic number.
157680192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
157680192 is an abundant number, since it is smaller than the sum of its proper divisors (273916608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157680192 is a wasteful number, since it uses less digits than its factorization.
157680192 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28363 (or 28353 counting only the distinct ones).
The product of its (nonzero) digits is 30240, while the sum is 39.
The square root of 157680192 is about 12557.0773669672. The cubic root of 157680192 is about 540.2470200438.
The spelling of 157680192 in words is "one hundred fifty-seven million, six hundred eighty thousand, one hundred ninety-two".
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