Base | Representation |
---|---|
bin | 10010110100011… |
… | …10111110100100 |
3 | 102000001201201110 |
4 | 21122032332210 |
5 | 310403401121 |
6 | 23355425020 |
7 | 3624614220 |
oct | 1132167644 |
9 | 360051643 |
10 | 157872036 |
11 | 81129663 |
12 | 44a55170 |
13 | 2692700a |
14 | 16d77780 |
15 | dcd6d76 |
hex | 968efa4 |
157872036 has 24 divisors (see below), whose sum is σ = 420992320. Its totient is φ = 45106272.
The previous prime is 157871999. The next prime is 157872037. The reversal of 157872036 is 630278751.
It is a junction number, because it is equal to n+sod(n) for n = 157871985 and 157872003.
It is not an unprimeable number, because it can be changed into a prime (157872037) 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, 939631 + ... + 939798.
Almost surely, 2157872036 is an apocalyptic number.
It is an amenable number.
157872036 is an abundant number, since it is smaller than the sum of its proper divisors (263120284).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157872036 is a wasteful number, since it uses less digits than its factorization.
157872036 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1879443 (or 1879441 counting only the distinct ones).
The product of its (nonzero) digits is 70560, while the sum is 39.
The square root of 157872036 is about 12564.7139243200. The cubic root of 157872036 is about 540.4660311603.
The spelling of 157872036 in words is "one hundred fifty-seven million, eight hundred seventy-two thousand, thirty-six".
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