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313319136 = 25313251057
BaseRepresentation
bin10010101011001…
…101111011100000
3210211120021001110
4102223031323200
51120202203021
651031303320
710523111604
oct2253157340
9724507043
10313319136
11150951339
1288b1ab40
134cbb2350
142d87d504
151c790476
hex12acdee0

313319136 has 48 divisors (see below), whose sum is σ = 885732624. Its totient is φ = 96405504.

The previous prime is 313319131. The next prime is 313319141. The reversal of 313319136 is 631913313.

It is an interprime number because it is at equal distance from previous prime (313319131) and next prime (313319141).

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313319131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124281 + ... + 126776.

It is an arithmetic number, because the mean of its divisors is an integer number (18452763).

Almost surely, 2313319136 is an apocalyptic number.

It is an amenable number.

313319136 is an abundant number, since it is smaller than the sum of its proper divisors (572413488).

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

313319136 is a wasteful number, since it uses less digits than its factorization.

313319136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251083 (or 251075 counting only the distinct ones).

The product of its digits is 4374, while the sum is 30.

The square root of 313319136 is about 17700.8230317124. The cubic root of 313319136 is about 679.1968140849.

The spelling of 313319136 in words is "three hundred thirteen million, three hundred nineteen thousand, one hundred thirty-six".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 78 96 104 156 208 312 416 624 1248 251057 502114 753171 1004228 1506342 2008456 3012684 3263741 4016912 6025368 6527482 8033824 9791223 12050736 13054964 19582446 24101472 26109928 39164892 52219856 78329784 104439712 156659568 313319136