Base | Representation |
---|---|
bin | 10010111101001… |
… | …111001101001100 |
3 | 211011110020220202 |
4 | 102331033031030 |
5 | 1122404333311 |
6 | 51320433032 |
7 | 10611214640 |
oct | 2275171514 |
9 | 734406822 |
10 | 318042956 |
11 | 153588420 |
12 | 8a618778 |
13 | 50b774ca |
14 | 3034cc20 |
15 | 1cdc4e3b |
hex | 12f4f34c |
318042956 has 24 divisors (see below), whose sum is σ = 693912576. Its totient is φ = 123912720.
The previous prime is 318042943. The next prime is 318042961. The reversal of 318042956 is 659240813.
It is a happy number.
318042956 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×3180429562 = 202302643722435872, which contains 22 as substring.
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, 515996 + ... + 516611.
It is an arithmetic number, because the mean of its divisors is an integer number (28913024).
Almost surely, 2318042956 is an apocalyptic number.
It is an amenable number.
318042956 is an abundant number, since it is smaller than the sum of its proper divisors (375869620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
318042956 is a wasteful number, since it uses less digits than its factorization.
318042956 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1032629 (or 1032627 counting only the distinct ones).
The product of its (nonzero) digits is 51840, while the sum is 38.
The square root of 318042956 is about 17833.7588858883. The cubic root of 318042956 is about 682.5931521832.
The spelling of 318042956 in words is "three hundred eighteen million, forty-two thousand, nine hundred fifty-six".
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