Search a number
-
+
64525344 = 25313149347
BaseRepresentation
bin1111011000100…
…1010000100000
311111102020010120
43312021100200
5113004302334
610223000240
71412312352
oct366112040
9144366116
1064525344
1133471934
1219739080
13104a29a0
1487d90d2
1559e8949
hex3d89420

64525344 has 96 divisors (see below), whose sum is σ = 184161600. Its totient is φ = 19663872.

The previous prime is 64525303. The next prime is 64525361. The reversal of 64525344 is 44352546.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185779 + ... + 186125.

It is an arithmetic number, because the mean of its divisors is an integer number (1918350).

Almost surely, 264525344 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 64525344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92080800).

64525344 is an abundant number, since it is smaller than the sum of its proper divisors (119636256).

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

64525344 is a wasteful number, since it uses less digits than its factorization.

64525344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522 (or 514 counting only the distinct ones).

The product of its digits is 57600, while the sum is 33.

The square root of 64525344 is about 8032.7668956593. The cubic root of 64525344 is about 401.0914856056.

The spelling of 64525344 in words is "sixty-four million, five hundred twenty-five thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 78 96 104 149 156 208 298 312 347 416 447 596 624 694 894 1041 1192 1248 1388 1788 1937 2082 2384 2776 3576 3874 4164 4511 4768 5552 5811 7152 7748 8328 9022 11104 11622 13533 14304 15496 16656 18044 23244 27066 30992 33312 36088 46488 51703 54132 61984 72176 92976 103406 108264 144352 155109 185952 206812 216528 310218 413624 433056 620436 672139 827248 1240872 1344278 1654496 2016417 2481744 2688556 4032834 4963488 5377112 8065668 10754224 16131336 21508448 32262672 64525344