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313906464 = 25325771889
BaseRepresentation
bin10010101101011…
…101010100100000
3210212200002201100
4102231131110200
51120330001324
651052034400
710531106124
oct2255352440
9725602640
10313906464
11151212633
1289162a00
1350059791
142d993584
151c8594c9
hex12b5d520

313906464 has 72 divisors (see below), whose sum is σ = 894691980. Its totient is φ = 104398848.

The previous prime is 313906459. The next prime is 313906487. The reversal of 313906464 is 464609313.

313906464 is a `hidden beast` number, since 3 + 1 + 3 + 9 + 0 + 646 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 278622864 + 35283600 = 16692^2 + 5940^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

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 11 ways as a sum of consecutive naturals, for example, 165232 + ... + 167120.

Almost surely, 2313906464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 313906464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (447345990).

313906464 is an abundant number, since it is smaller than the sum of its proper divisors (580785516).

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

313906464 is a wasteful number, since it uses less digits than its factorization.

313906464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2482 (or 2471 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 313906464 is about 17717.4056791619. The cubic root of 313906464 is about 679.6209421405.

The spelling of 313906464 in words is "three hundred thirteen million, nine hundred six thousand, four hundred sixty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 577 1154 1731 1889 2308 3462 3778 4616 5193 5667 6924 7556 9232 10386 11334 13848 15112 17001 18464 20772 22668 27696 30224 34002 41544 45336 55392 60448 68004 83088 90672 136008 166176 181344 272016 544032 1089953 2179906 3269859 4359812 6539718 8719624 9809577 13079436 17439248 19619154 26158872 34878496 39238308 52317744 78476616 104635488 156953232 313906464