Base | Representation |
---|---|
bin | 10010110101000… |
… | …000101001000010 |
3 | 211000101200022220 |
4 | 102311000221002 |
5 | 1121331324041 |
6 | 51202311510 |
7 | 10553662602 |
oct | 2265005102 |
9 | 730350286 |
10 | 315886146 |
11 | 152344a34 |
12 | 89958596 |
13 | 505a08a4 |
14 | 2dd4ac02 |
15 | 1caead66 |
hex | 12d40a42 |
315886146 has 32 divisors (see below), whose sum is σ = 670690368. Its totient is φ = 98841600.
The previous prime is 315886097. The next prime is 315886157. The reversal of 315886146 is 641688513.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 315886098 and 315886107.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37041 + ... + 44763.
It is an arithmetic number, because the mean of its divisors is an integer number (20959074).
Almost surely, 2315886146 is an apocalyptic number.
315886146 is an abundant number, since it is smaller than the sum of its proper divisors (354804222).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
315886146 is a wasteful number, since it uses less digits than its factorization.
315886146 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8146.
The product of its digits is 138240, while the sum is 42.
The square root of 315886146 is about 17773.1861521788. The cubic root of 315886146 is about 681.0466479891.
The spelling of 315886146 in words is "three hundred fifteen million, eight hundred eighty-six thousand, one hundred forty-six".
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