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313517904 = 24373312819
BaseRepresentation
bin10010101011111…
…110011101010000
3210211221100201020
4102223332131100
51120230033104
651035435440
710524600240
oct2253763520
9724840636
10313517904
11150a77707
1288bb5b80
134cc5196b
142d8d1b20
151c7ce2d9
hex12afe750

313517904 has 80 divisors (see below), whose sum is σ = 928750080. Its totient is φ = 89274240.

The previous prime is 313517891. The next prime is 313517921. The reversal of 313517904 is 409715313.

313517904 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3135179042 = 196586952257106432, which contains 22 as substring.

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, 109807 + ... + 112625.

It is an arithmetic number, because the mean of its divisors is an integer number (11609376).

Almost surely, 2313517904 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 313517904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (464375040).

313517904 is an abundant number, since it is smaller than the sum of its proper divisors (615232176).

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

313517904 is a wasteful number, since it uses less digits than its factorization.

313517904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3168 (or 3162 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 313517904 is about 17706.4367956966. The cubic root of 313517904 is about 679.3404100106.

The spelling of 313517904 in words is "three hundred thirteen million, five hundred seventeen thousand, nine hundred four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 331 336 662 993 1324 1986 2317 2648 2819 3972 4634 5296 5638 6951 7944 8457 9268 11276 13902 15888 16914 18536 19733 22552 27804 33828 37072 39466 45104 55608 59199 67656 78932 111216 118398 135312 157864 236796 315728 473592 933089 947184 1866178 2799267 3732356 5598534 6531623 7464712 11197068 13063246 14929424 19594869 22394136 26126492 39189738 44788272 52252984 78379476 104505968 156758952 313517904