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313657401 = 3129780611
BaseRepresentation
bin10010101100100…
…000100000111001
3210212012110001210
4102230200200321
51120244014101
651042433333
710526021031
oct2254404071
9725173053
10313657401
111510624a2
1289062849
134cca02c5
142d92a8c1
151c80a7d6
hex12b20839

313657401 has 8 divisors (see below), whose sum is σ = 418537504. Its totient is φ = 208941120.

The previous prime is 313657397. The next prime is 313657423. The reversal of 313657401 is 104756313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 313657401 - 22 = 313657397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313657441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36415 + ... + 44196.

It is an arithmetic number, because the mean of its divisors is an integer number (52317188).

Almost surely, 2313657401 is an apocalyptic number.

It is an amenable number.

313657401 is a deficient number, since it is larger than the sum of its proper divisors (104880103).

313657401 is a wasteful number, since it uses less digits than its factorization.

313657401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81911.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 313657401 is about 17710.3755183226. The cubic root of 313657401 is about 679.4411505599.

The spelling of 313657401 in words is "three hundred thirteen million, six hundred fifty-seven thousand, four hundred one".

Divisors: 1 3 1297 3891 80611 241833 104552467 313657401