Base | Representation |
---|---|
bin | 10010110011110… |
… | …101111010100100 |
3 | 210222211010110200 |
4 | 102303311322210 |
5 | 1121242030233 |
6 | 51151550500 |
7 | 10551246336 |
oct | 2263657244 |
9 | 728733420 |
10 | 315580068 |
11 | 152155a81 |
12 | 8982b430 |
13 | 504c448b |
14 | 2dcab456 |
15 | 1ca8a313 |
hex | 12cf5ea4 |
315580068 has 18 divisors (see below), whose sum is σ = 797716374. Its totient is φ = 105193344.
The previous prime is 315580009. The next prime is 315580081. The reversal of 315580068 is 860085513.
315580068 is a `hidden beast` number, since 3 + 15 + 580 + 0 + 68 = 666.
315580068 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 220166244 + 95413824 = 14838^2 + 9768^2 .
It is a tau number, because it is divible by the number of its divisors (18).
It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 8766113 = 315580068 / (3 + 1 + 5 + 5 + 8 + 0 + 0 + 6 + 8).
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4383021 + ... + 4383092.
Almost surely, 2315580068 is an apocalyptic number.
It is an amenable number.
315580068 is an abundant number, since it is smaller than the sum of its proper divisors (482136306).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
315580068 is a wasteful number, since it uses less digits than its factorization.
315580068 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8766123 (or 8766118 counting only the distinct ones).
The product of its (nonzero) digits is 28800, while the sum is 36.
The square root of 315580068 is about 17764.5733976361. The cubic root of 315580068 is about 680.8266101033.
Subtracting 315580068 from its reverse (860085513), we obtain a palindrome (544505445).
The spelling of 315580068 in words is "three hundred fifteen million, five hundred eighty thousand, sixty-eight".
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