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313625345 = 5112518389
BaseRepresentation
bin10010101100011…
…000101100000001
3210212010211002112
4102230120230001
51120242002340
651042025105
710525525415
oct2254305401
9725124075
10313625345
11151040400
1289048195
134cc8b837
142d91cd45
151c801065
hex12b18b01

313625345 has 12 divisors (see below), whose sum is σ = 413675220. Its totient is φ = 228090720.

The previous prime is 313625317. The next prime is 313625353. The reversal of 313625345 is 543526313.

It can be written as a sum of positive squares in 2 ways, for example, as 52867441 + 260757904 = 7271^2 + 16148^2 .

It is not a de Polignac number, because 313625345 - 212 = 313621249 is a prime.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 258590 + ... + 259799.

It is an arithmetic number, because the mean of its divisors is an integer number (34472935).

Almost surely, 2313625345 is an apocalyptic number.

It is an amenable number.

313625345 is a deficient number, since it is larger than the sum of its proper divisors (100049875).

313625345 is a wasteful number, since it uses less digits than its factorization.

313625345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518416 (or 518405 counting only the distinct ones).

The product of its digits is 32400, while the sum is 32.

The square root of 313625345 is about 17709.4704889785. The cubic root of 313625345 is about 679.4180033218.

The spelling of 313625345 in words is "three hundred thirteen million, six hundred twenty-five thousand, three hundred forty-five".

Divisors: 1 5 11 55 121 605 518389 2591945 5702279 28511395 62725069 313625345