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313496405 = 5173688193
BaseRepresentation
bin10010101011111…
…001001101010101
3210211220021012222
4102223321031111
51120223341110
651035152125
710524450455
oct2253711525
9724807188
10313496405
11150a62542
1288ba5645
134cc44c41
142d8c7d65
151c7c7c55
hex12af9355

313496405 has 8 divisors (see below), whose sum is σ = 398324952. Its totient is φ = 236044288.

The previous prime is 313496377. The next prime is 313496413. The reversal of 313496405 is 504694313.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 70946929 + 242549476 = 8423^2 + 15574^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 313496405 - 26 = 313496341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1844012 + ... + 1844181.

It is an arithmetic number, because the mean of its divisors is an integer number (49790619).

Almost surely, 2313496405 is an apocalyptic number.

It is an amenable number.

313496405 is a deficient number, since it is larger than the sum of its proper divisors (84828547).

313496405 is a wasteful number, since it uses less digits than its factorization.

313496405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3688215.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 313496405 is about 17705.8296896813. The cubic root of 313496405 is about 679.3248814202.

The spelling of 313496405 in words is "three hundred thirteen million, four hundred ninety-six thousand, four hundred five".

Divisors: 1 5 17 85 3688193 18440965 62699281 313496405