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313041860 = 22515652093
BaseRepresentation
bin10010101010001…
…010001111000100
3210211001011200222
4102222022033010
51120114314420
651021323512
710520545325
oct2252121704
9724034628
10313041860
11150781a8a
1288a06598
134cb16091
142d80a44c
151c738225
hex12a8a3c4

313041860 has 12 divisors (see below), whose sum is σ = 657387948. Its totient is φ = 125216736.

The previous prime is 313041857. The next prime is 313041877. The reversal of 313041860 is 68140313.

313041860 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 2 ways, for example, as 196056004 + 116985856 = 14002^2 + 10816^2 .

It is a super-2 number, since 2×3130418602 = 195990412224519200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7826027 + ... + 7826066.

It is an arithmetic number, because the mean of its divisors is an integer number (54782329).

Almost surely, 2313041860 is an apocalyptic number.

It is an amenable number.

313041860 is an abundant number, since it is smaller than the sum of its proper divisors (344346088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313041860 is a wasteful number, since it uses less digits than its factorization.

313041860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15652102 (or 15652100 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 313041860 is about 17692.9890069485. The cubic root of 313041860 is about 678.9964001565.

The spelling of 313041860 in words is "three hundred thirteen million, forty-one thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 15652093 31304186 62608372 78260465 156520930 313041860