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313213944 = 23371397463
BaseRepresentation
bin10010101010110…
…100001111111000
3210211100220202110
4102222310033320
51120140321234
651025132320
710522163121
oct2252641770
9724326673
10313213944
1115088a2aa
1288a8a0a0
134cb764c4
142d853048
151c76e1e9
hex12ab43f8

313213944 has 64 divisors (see below), whose sum is σ = 797783040. Its totient is φ = 102453120.

The previous prime is 313213939. The next prime is 313213961. The reversal of 313213944 is 449312313.

313213944 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 676257 + ... + 676719.

It is an arithmetic number, because the mean of its divisors is an integer number (12465360).

Almost surely, 2313213944 is an apocalyptic number.

It is an amenable number.

313213944 is an abundant number, since it is smaller than the sum of its proper divisors (484569096).

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

313213944 is a wasteful number, since it uses less digits than its factorization.

313213944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940 (or 936 counting only the distinct ones).

The product of its digits is 7776, while the sum is 30.

The square root of 313213944 is about 17697.8513950140. The cubic root of 313213944 is about 679.1207956741.

The spelling of 313213944 in words is "three hundred thirteen million, two hundred thirteen thousand, nine hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 71 142 213 284 397 426 463 568 794 852 926 1191 1389 1588 1704 1852 2382 2778 3176 3704 4764 5556 9528 11112 28187 32873 56374 65746 84561 98619 112748 131492 169122 183811 197238 225496 262984 338244 367622 394476 551433 676488 735244 788952 1102866 1470488 2205732 4411464 13050581 26101162 39151743 52202324 78303486 104404648 156606972 313213944