Base | Representation |
---|---|
bin | 10010111001000… |
… | …100111000010001 |
3 | 211002101211111222 |
4 | 102321010320101 |
5 | 1122114431311 |
6 | 51241214425 |
7 | 10566022355 |
oct | 2271047021 |
9 | 732354458 |
10 | 316952081 |
11 | 152a02876 |
12 | 8a191415 |
13 | 50884b14 |
14 | 30147465 |
15 | 1cc5badb |
hex | 12e44e11 |
316952081 has 2 divisors, whose sum is σ = 316952082. Its totient is φ = 316952080.
The previous prime is 316952047. The next prime is 316952147. The reversal of 316952081 is 180259613.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 237653056 + 79299025 = 15416^2 + 8905^2 .
It is a cyclic number.
It is not a de Polignac number, because 316952081 - 218 = 316689937 is a prime.
It is a super-2 number, since 2×3169520812 = 200917243300461122, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (316955081) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158476040 + 158476041.
It is an arithmetic number, because the mean of its divisors is an integer number (158476041).
Almost surely, 2316952081 is an apocalyptic number.
It is an amenable number.
316952081 is a deficient number, since it is larger than the sum of its proper divisors (1).
316952081 is an equidigital number, since it uses as much as digits as its factorization.
316952081 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 12960, while the sum is 35.
The square root of 316952081 is about 17803.1480643172. The cubic root of 316952081 is about 681.8118355293.
The spelling of 316952081 in words is "three hundred sixteen million, nine hundred fifty-two thousand, eighty-one".
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