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313072092 = 223264113567
BaseRepresentation
bin10010101010010…
…001100111011100
3210211002201011200
4102222101213130
51120121301332
651022115500
710521032424
oct2252214734
9724081150
10313072092
111507a2773
1288a1bb90
134cb26a78
142d817484
151c74217c
hex12a919dc

313072092 has 36 divisors (see below), whose sum is σ = 792669696. Its totient is φ = 104186880.

The previous prime is 313072091. The next prime is 313072103. The reversal of 313072092 is 290270313.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313072091) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16293 + ... + 29859.

Almost surely, 2313072092 is an apocalyptic number.

It is an amenable number.

313072092 is an abundant number, since it is smaller than the sum of its proper divisors (479597604).

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

313072092 is a wasteful number, since it uses less digits than its factorization.

313072092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14218 (or 14213 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 313072092 is about 17693.8433360308. The cubic root of 313072092 is about 679.0182574659.

The spelling of 313072092 in words is "three hundred thirteen million, seventy-two thousand, ninety-two".

Divisors: 1 2 3 4 6 9 12 18 36 641 1282 1923 2564 3846 5769 7692 11538 13567 23076 27134 40701 54268 81402 122103 162804 244206 488412 8696447 17392894 26089341 34785788 52178682 78268023 104357364 156536046 313072092