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313129744 = 2427976997
BaseRepresentation
bin10010101010011…
…111101100010000
3210211012122020221
4102222133230100
51120130122434
651023242424
710521362464
oct2252375420
9724178227
10313129744
11150832014
1288a49414
134cb47095
142d8304a4
151c7542b4
hex12a9fb10

313129744 has 20 divisors (see below), whose sum is σ = 606992524. Its totient is φ = 156486528.

The previous prime is 313129723. The next prime is 313129759. The reversal of 313129744 is 447921313.

It can be written as a sum of positive squares in 2 ways, for example, as 166719744 + 146410000 = 12912^2 + 12100^2 .

It is a super-4 number, since 4×3131297444 (a number of 35 digits) contains 4444 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, 41254 + ... + 48250.

Almost surely, 2313129744 is an apocalyptic number.

It is an amenable number.

313129744 is a deficient number, since it is larger than the sum of its proper divisors (293862780).

313129744 is a wasteful number, since it uses less digits than its factorization.

313129744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9802 (or 9796 counting only the distinct ones).

The product of its digits is 18144, while the sum is 34.

The square root of 313129744 is about 17695.4724152818. The cubic root of 313129744 is about 679.0599351485.

The spelling of 313129744 in words is "three hundred thirteen million, one hundred twenty-nine thousand, seven hundred forty-four".

Divisors: 1 2 4 8 16 2797 5594 6997 11188 13994 22376 27988 44752 55976 111952 19570609 39141218 78282436 156564872 313129744