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313045564 = 221331194197
BaseRepresentation
bin10010101010001…
…011001000111100
3210211001100210011
4102222023020330
51120114424224
651021353004
710520562166
oct2252131074
9724040704
10313045564
11150784847
1288a08764
134cb17980
142d80b936
151c739394
hex12a8b23c

313045564 has 24 divisors (see below), whose sum is σ = 609004928. Its totient is φ = 139821120.

The previous prime is 313045559. The next prime is 313045583. The reversal of 313045564 is 465540313.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95487 + ... + 98710.

Almost surely, 2313045564 is an apocalyptic number.

It is an amenable number.

313045564 is a deficient number, since it is larger than the sum of its proper divisors (295959364).

313045564 is a wasteful number, since it uses less digits than its factorization.

313045564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194245 (or 194243 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 313045564 is about 17693.0936808688. The cubic root of 313045564 is about 678.9990781718. Note that the first 3 decimals are identical.

Adding to 313045564 its reverse (465540313), we get a palindrome (778585877).

The spelling of 313045564 in words is "three hundred thirteen million, forty-five thousand, five hundred sixty-four".

Divisors: 1 2 4 13 26 31 52 62 124 403 806 1612 194197 388394 776788 2524561 5049122 6020107 10098244 12040214 24080428 78261391 156522782 313045564