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313726690 = 25143321893
BaseRepresentation
bin10010101100110…
…001011011100010
3210212022222010001
4102230301123202
51120303223230
651044130214
710526430034
oct2254613342
9725288101
10313726690
111510aa562
128909696a
134ccc59c4
142d947c54
151c8210ca
hex12b316e2

313726690 has 16 divisors (see below), whose sum is σ = 565127928. Its totient is φ = 125397376.

The previous prime is 313726649. The next prime is 313726709. The reversal of 313726690 is 96627313.

It can be written as a sum of positive squares in 4 ways, for example, as 306635121 + 7091569 = 17511^2 + 2663^2 .

It is a super-2 number, since 2×3137266902 = 196848872036712200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3384 + ... + 25276.

Almost surely, 2313726690 is an apocalyptic number.

313726690 is a deficient number, since it is larger than the sum of its proper divisors (251401238).

313726690 is a wasteful number, since it uses less digits than its factorization.

313726690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23333.

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 313726690 is about 17712.3315800038. The cubic root of 313726690 is about 679.4911778949.

The spelling of 313726690 in words is "three hundred thirteen million, seven hundred twenty-six thousand, six hundred ninety".

Divisors: 1 2 5 10 1433 2866 7165 14330 21893 43786 109465 218930 31372669 62745338 156863345 313726690