Base | Representation |
---|---|
bin | 10010110011110… |
… | …010100000111110 |
3 | 210222210102100220 |
4 | 102303302200332 |
5 | 1121241104032 |
6 | 51151402210 |
7 | 10551160623 |
oct | 2263624076 |
9 | 728712326 |
10 | 315566142 |
11 | 152146571 |
12 | 89823366 |
13 | 504bb038 |
14 | 2dca634a |
15 | 1ca8612c |
hex | 12cf283e |
315566142 has 16 divisors (see below), whose sum is σ = 635313792. Its totient is φ = 104491800.
The previous prime is 315566137. The next prime is 315566159. The reversal of 315566142 is 241665513.
It is a congruent number.
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, 173248 + ... + 175059.
It is an arithmetic number, because the mean of its divisors is an integer number (39707112).
Almost surely, 2315566142 is an apocalyptic number.
315566142 is an abundant number, since it is smaller than the sum of its proper divisors (319747650).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
315566142 is a wasteful number, since it uses less digits than its factorization.
315566142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 348463.
The product of its digits is 21600, while the sum is 33.
The square root of 315566142 is about 17764.1814334351. The cubic root of 315566142 is about 680.8165953909.
The spelling of 315566142 in words is "three hundred fifteen million, five hundred sixty-six thousand, one hundred forty-two".
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