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317042372 = 22440917977
BaseRepresentation
bin10010111001011…
…010111011000100
3211002120102101002
4102321122323010
51122130323442
651243152432
710566546533
oct2271327304
9732512332
10317042372
11152a64699
128a215718
13508b6c4a
143016c31a
151cc78732
hex12e5aec4

317042372 has 12 divisors (see below), whose sum is σ = 554980860. Its totient is φ = 158476416.

The previous prime is 317042359. The next prime is 317042377. The reversal of 317042372 is 273240713.

It can be written as a sum of positive squares in 2 ways, for example, as 82156096 + 234886276 = 9064^2 + 15326^2 .

It is not an unprimeable number, because it can be changed into a prime (317042377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8648 + ... + 26624.

It is an arithmetic number, because the mean of its divisors is an integer number (46248405).

Almost surely, 2317042372 is an apocalyptic number.

It is an amenable number.

317042372 is a deficient number, since it is larger than the sum of its proper divisors (237938488).

317042372 is a wasteful number, since it uses less digits than its factorization.

317042372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22390 (or 22388 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 317042372 is about 17805.6836993135. The cubic root of 317042372 is about 681.8765725788.

The spelling of 317042372 in words is "three hundred seventeen million, forty-two thousand, three hundred seventy-two".

Divisors: 1 2 4 4409 8818 17636 17977 35954 71908 79260593 158521186 317042372