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64055480 = 23512291303
BaseRepresentation
bin1111010001011…
…0100010111000
311110112100121012
43310112202320
5112344233410
610204533052
71405314446
oct364264270
9143470535
1064055480
1133180915
1219551188
1310369b68
148715b96
155954605
hex3d168b8

64055480 has 32 divisors (see below), whose sum is σ = 144352800. Its totient is φ = 25581696.

The previous prime is 64055477. The next prime is 64055503. The reversal of 64055480 is 8455046.

64055480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

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, 48509 + ... + 49811.

It is an arithmetic number, because the mean of its divisors is an integer number (4511025).

Almost surely, 264055480 is an apocalyptic number.

It is an amenable number.

64055480 is an abundant number, since it is smaller than the sum of its proper divisors (80297320).

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

64055480 is a wasteful number, since it uses less digits than its factorization.

64055480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2543 (or 2539 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 64055480 is about 8003.4667488533. The cubic root of 64055480 is about 400.1155499506.

The spelling of 64055480 in words is "sixty-four million, fifty-five thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 1229 1303 2458 2606 4916 5212 6145 6515 9832 10424 12290 13030 24580 26060 49160 52120 1601387 3202774 6405548 8006935 12811096 16013870 32027740 64055480