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313867445 = 5127749157
BaseRepresentation
bin10010101101010…
…011110010110101
3210212121010012012
4102231103302311
51120322224240
651051134005
710530554303
oct2255236265
9725533165
10313867445
11151196291
1289144305
1350044aa8
142d983273
151c84cb65
hex12b53cb5

313867445 has 8 divisors (see below), whose sum is σ = 376943544. Its totient is φ = 250892224.

The previous prime is 313867427. The next prime is 313867451. The reversal of 313867445 is 544768313.

It can be written as a sum of positive squares in 4 ways, for example, as 60357361 + 253510084 = 7769^2 + 15922^2 .

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 313867445 - 26 = 313867381 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, 18194 + ... + 30963.

It is an arithmetic number, because the mean of its divisors is an integer number (47117943).

Almost surely, 2313867445 is an apocalyptic number.

It is an amenable number.

313867445 is a deficient number, since it is larger than the sum of its proper divisors (63076099).

313867445 is a wasteful number, since it uses less digits than its factorization.

313867445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50439.

The product of its digits is 241920, while the sum is 41.

The square root of 313867445 is about 17716.3044961414. The cubic root of 313867445 is about 679.5927817049.

The spelling of 313867445 in words is "three hundred thirteen million, eight hundred sixty-seven thousand, four hundred forty-five".

Divisors: 1 5 1277 6385 49157 245785 62773489 313867445