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313451320 = 23571386113
BaseRepresentation
bin10010101011101…
…110001100111000
3210211210222101011
4102223232030320
51120220420240
651034203304
710524202150
oct2253561470
9724728334
10313451320
11150a31686
1288b83534
134cc2a570
142d8b5760
151c7b96ea
hex12aee338

313451320 has 64 divisors (see below), whose sum is σ = 868029120. Its totient is φ = 99201024.

The previous prime is 313451317. The next prime is 313451339. The reversal of 313451320 is 23154313.

It is a junction number, because it is equal to n+sod(n) for n = 313451291 and 313451300.

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, 39417 + ... + 46696.

It is an arithmetic number, because the mean of its divisors is an integer number (13562955).

Almost surely, 2313451320 is an apocalyptic number.

It is an amenable number.

313451320 is an abundant number, since it is smaller than the sum of its proper divisors (554577800).

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

313451320 is a wasteful number, since it uses less digits than its factorization.

313451320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86144 (or 86140 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 313451320 is about 17704.5564756647. The cubic root of 313451320 is about 679.2923145070.

The spelling of 313451320 in words is "three hundred thirteen million, four hundred fifty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 7 8 10 13 14 20 26 28 35 40 52 56 65 70 91 104 130 140 182 260 280 364 455 520 728 910 1820 3640 86113 172226 344452 430565 602791 688904 861130 1119469 1205582 1722260 2238938 2411164 3013955 3444520 4477876 4822328 5597345 6027910 7836283 8955752 11194690 12055820 15672566 22389380 24111640 31345132 39181415 44778760 62690264 78362830 156725660 313451320