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264448764 = 223219386621
BaseRepresentation
bin11111100001100…
…10101011111100
3200102121101111200
433300302223330
51020144330024
642124015500
76360530436
oct1760625374
9612541450
10264448764
111263022a8
1274691590
1342a31178
142719b656
151833a2c9
hexfc32afc

264448764 has 36 divisors (see below), whose sum is σ = 703652040. Its totient is φ = 83509920.

The previous prime is 264448763. The next prime is 264448777. The reversal of 264448764 is 467844462.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×2644487642 = 139866297562255392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264448763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 192627 + ... + 193994.

It is an arithmetic number, because the mean of its divisors is an integer number (19545890).

Almost surely, 2264448764 is an apocalyptic number.

It is an amenable number.

264448764 is an abundant number, since it is smaller than the sum of its proper divisors (439203276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

264448764 is a wasteful number, since it uses less digits than its factorization.

264448764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386650 (or 386645 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 45.

The square root of 264448764 is about 16261.8807030429. The cubic root of 264448764 is about 641.8701516295.

The spelling of 264448764 in words is "two hundred sixty-four million, four hundred forty-eight thousand, seven hundred sixty-four".

Divisors: 1 2 3 4 6 9 12 18 19 36 38 57 76 114 171 228 342 684 386621 773242 1159863 1546484 2319726 3479589 4639452 6959178 7345799 13918356 14691598 22037397 29383196 44074794 66112191 88149588 132224382 264448764