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313982140 = 22515699107
BaseRepresentation
bin10010101101101…
…111110010111100
3210212210221112011
4102231233302330
51120334412030
651053421004
710531542553
oct2255576274
9725727464
10313982140
1115126447a
128919a764
1350085064
142d9b2d9a
151c871b2a
hex12b6fcbc

313982140 has 12 divisors (see below), whose sum is σ = 659362536. Its totient is φ = 125592848.

The previous prime is 313982107. The next prime is 313982143. The reversal of 313982140 is 41289313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313982143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7849534 + ... + 7849573.

It is an arithmetic number, because the mean of its divisors is an integer number (54946878).

Almost surely, 2313982140 is an apocalyptic number.

It is an amenable number.

313982140 is an abundant number, since it is smaller than the sum of its proper divisors (345380396).

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

313982140 is a wasteful number, since it uses less digits than its factorization.

313982140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15699116 (or 15699114 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 313982140 is about 17719.5411904485. The cubic root of 313982140 is about 679.6755516797.

The spelling of 313982140 in words is "three hundred thirteen million, nine hundred eighty-two thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 15699107 31398214 62796428 78495535 156991070 313982140