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313818944 = 264903421
BaseRepresentation
bin10010101101000…
…111111101000000
3210212111122122212
4102231013331000
51120314201234
651050121252
710530263015
oct2255077500
9725448585
10313818944
111511628aa
1289120228
13500289aa
142d96d70c
151c83d5ce
hex12b47f40

313818944 has 14 divisors (see below), whose sum is σ = 622734594. Its totient is φ = 156909440.

The previous prime is 313818943. The next prime is 313818971. The reversal of 313818944 is 449818313.

It can be written as a sum of positive squares in only one way, i.e., 312582400 + 1236544 = 17680^2 + 1112^2 .

It is a super-2 number, since 2×3138189442 = 196964659226550272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313818943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2451647 + ... + 2451774.

Almost surely, 2313818944 is an apocalyptic number.

It is an amenable number.

313818944 is a deficient number, since it is larger than the sum of its proper divisors (308915650).

313818944 is an equidigital number, since it uses as much as digits as its factorization.

313818944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4903433 (or 4903423 counting only the distinct ones).

The product of its digits is 82944, while the sum is 41.

The square root of 313818944 is about 17714.9356194145. The cubic root of 313818944 is about 679.5577747532.

The spelling of 313818944 in words is "three hundred thirteen million, eight hundred eighteen thousand, nine hundred forty-four".

Divisors: 1 2 4 8 16 32 64 4903421 9806842 19613684 39227368 78454736 156909472 313818944