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64361056 = 2519372861
BaseRepresentation
bin1111010110000…
…1001001100000
311111002212202211
43311201021200
5112434023211
610215251504
71411026364
oct365411140
9144085684
1064361056
113336a461
1219679b94
1310445c86
1487952a4
1559b4e21
hex3d61260

64361056 has 48 divisors (see below), whose sum is σ = 137032560. Its totient is φ = 29652480.

The previous prime is 64361047. The next prime is 64361057. The reversal of 64361056 is 65016346.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64361057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21066 + ... + 23926.

It is an arithmetic number, because the mean of its divisors is an integer number (2854845).

Almost surely, 264361056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64361056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68516280).

64361056 is an abundant number, since it is smaller than the sum of its proper divisors (72671504).

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

64361056 is a wasteful number, since it uses less digits than its factorization.

64361056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2927 (or 2919 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 64361056 is about 8022.5342629371. The cubic root of 64361056 is about 400.7507899046.

The spelling of 64361056 in words is "sixty-four million, three hundred sixty-one thousand, fifty-six".

Divisors: 1 2 4 8 16 19 32 37 38 74 76 148 152 296 304 592 608 703 1184 1406 2812 2861 5624 5722 11248 11444 22496 22888 45776 54359 91552 105857 108718 211714 217436 423428 434872 846856 869744 1693712 1739488 2011283 3387424 4022566 8045132 16090264 32180528 64361056