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313126994 = 2757206821
BaseRepresentation
bin10010101010011…
…111000001010010
3210211012111111002
4102222133001102
51120130030434
651023222002
710521351455
oct2252370122
9724174432
10313126994
1115082aa44
1288a47902
134cb45a5b
142d82d49c
151c75357e
hex12a9f052

313126994 has 8 divisors (see below), whose sum is σ = 470313228. Its totient is φ = 156355920.

The previous prime is 313126943. The next prime is 313127033. The reversal of 313126994 is 499621313.

It can be written as a sum of positive squares in 2 ways, for example, as 312829969 + 297025 = 17687^2 + 545^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101897 + ... + 104924.

Almost surely, 2313126994 is an apocalyptic number.

313126994 is a deficient number, since it is larger than the sum of its proper divisors (157186234).

313126994 is a wasteful number, since it uses less digits than its factorization.

313126994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207580.

The product of its digits is 34992, while the sum is 38.

The square root of 313126994 is about 17695.3947116192. The cubic root of 313126994 is about 679.0579472395.

The spelling of 313126994 in words is "three hundred thirteen million, one hundred twenty-six thousand, nine hundred ninety-four".

Divisors: 1 2 757 1514 206821 413642 156563497 313126994