Base | Representation |
---|---|
bin | 10010110100010… |
… | …01111000111000 |
3 | 102000000200010110 |
4 | 21122021320320 |
5 | 310402214232 |
6 | 23355144320 |
7 | 3624466362 |
oct | 1132117070 |
9 | 360020113 |
10 | 157851192 |
11 | 81114a34 |
12 | 44a450a0 |
13 | 2691a695 |
14 | 16d6dd32 |
15 | dcd0acc |
hex | 9689e38 |
157851192 has 32 divisors (see below), whose sum is σ = 403027200. Its totient is φ = 51497184.
The previous prime is 157851191. The next prime is 157851217. The reversal of 157851192 is 291158751.
It is a self number, because there is not a number n which added to its sum of digits gives 157851192.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (157851191) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68842 + ... + 71097.
It is an arithmetic number, because the mean of its divisors is an integer number (12594600).
Almost surely, 2157851192 is an apocalyptic number.
157851192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
157851192 is an abundant number, since it is smaller than the sum of its proper divisors (245176008).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157851192 is a wasteful number, since it uses less digits than its factorization.
157851192 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 139995 (or 139991 counting only the distinct ones).
The product of its digits is 25200, while the sum is 39.
The square root of 157851192 is about 12563.8844311781. The cubic root of 157851192 is about 540.4422440264.
The spelling of 157851192 in words is "one hundred fifty-seven million, eight hundred fifty-one thousand, one hundred ninety-two".
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