Search a number
-
+
313644325 = 5212545773
BaseRepresentation
bin10010101100011…
…101010100100101
3210212011210010111
4102230131110211
51120243104300
651042253021
710525634641
oct2254352445
9725153114
10313644325
11151053695
1289057171
134cc97377
142d925c21
151c8069ba
hex12b1d525

313644325 has 6 divisors (see below), whose sum is σ = 388918994. Its totient is φ = 250915440.

The previous prime is 313644323. The next prime is 313644341. The reversal of 313644325 is 523446313.

It can be written as a sum of positive squares in 3 ways, for example, as 112656996 + 200987329 = 10614^2 + 14177^2 .

It is not a de Polignac number, because 313644325 - 21 = 313644323 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313644323) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6272862 + ... + 6272911.

Almost surely, 2313644325 is an apocalyptic number.

It is an amenable number.

313644325 is a deficient number, since it is larger than the sum of its proper divisors (75274669).

313644325 is a wasteful number, since it uses less digits than its factorization.

313644325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12545783 (or 12545778 counting only the distinct ones).

The product of its digits is 25920, while the sum is 31.

The square root of 313644325 is about 17710.0063523422. The cubic root of 313644325 is about 679.4317087337.

The spelling of 313644325 in words is "three hundred thirteen million, six hundred forty-four thousand, three hundred twenty-five".

Divisors: 1 5 25 12545773 62728865 313644325