Base | Representation |
---|---|
bin | 10010111100110… |
… | …011100110100100 |
3 | 211011020111211012 |
4 | 102330303212210 |
5 | 1122342224032 |
6 | 51314201352 |
7 | 10610234210 |
oct | 2274634644 |
9 | 734214735 |
10 | 317929892 |
11 | 153510485 |
12 | 8a583258 |
13 | 50b37bc7 |
14 | 3031d940 |
15 | 1cda16b2 |
hex | 12f339a4 |
317929892 has 48 divisors (see below), whose sum is σ = 650939520. Its totient is φ = 133062912.
The previous prime is 317929889. The next prime is 317929901. The reversal of 317929892 is 298929713.
It is a self number, because there is not a number n which added to its sum of digits gives 317929892.
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, 222083 + ... + 223509.
It is an arithmetic number, because the mean of its divisors is an integer number (13561240).
Almost surely, 2317929892 is an apocalyptic number.
It is an amenable number.
317929892 is an abundant number, since it is smaller than the sum of its proper divisors (333009628).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
317929892 is a wasteful number, since it uses less digits than its factorization.
317929892 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1620 (or 1618 counting only the distinct ones).
The product of its digits is 489888, while the sum is 50.
The square root of 317929892 is about 17830.5886610622. The cubic root of 317929892 is about 682.5122555014.
The spelling of 317929892 in words is "three hundred seventeen million, nine hundred twenty-nine thousand, eight hundred ninety-two".
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