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313515340 = 22515675767
BaseRepresentation
bin10010101011111…
…101110101001100
3210211221020012021
4102223331311030
51120224442330
651035415524
710524556615
oct2253756514
9724836167
10313515340
11150a75796
1288bb45a4
134cc50748
142d8d0c0c
151c7cd67a
hex12afdd4c

313515340 has 12 divisors (see below), whose sum is σ = 658382256. Its totient is φ = 125406128.

The previous prime is 313515329. The next prime is 313515347. The reversal of 313515340 is 43515313.

It is not an unprimeable number, because it can be changed into a prime (313515347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7837864 + ... + 7837903.

It is an arithmetic number, because the mean of its divisors is an integer number (54865188).

Almost surely, 2313515340 is an apocalyptic number.

It is an amenable number.

313515340 is an abundant number, since it is smaller than the sum of its proper divisors (344866916).

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

313515340 is a wasteful number, since it uses less digits than its factorization.

313515340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15675776 (or 15675774 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 313515340 is about 17706.3643925002. The cubic root of 313515340 is about 679.3385580871.

The spelling of 313515340 in words is "three hundred thirteen million, five hundred fifteen thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 15675767 31351534 62703068 78378835 156757670 313515340