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51924964 = 22713294919
BaseRepresentation
bin1100011000010…
…0111111100100
310121201001122211
43012010333210
5101243044324
65052533204
71200232510
oct306047744
9117631584
1051924964
1127345aa3
1215481204
13a9b0640
146c79140
15485a294
hex3184fe4

51924964 has 48 divisors (see below), whose sum is σ = 115718400. Its totient is φ = 19829376.

The previous prime is 51924947. The next prime is 51924991. The reversal of 51924964 is 46942915.

51924964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 8097 + ... + 13015.

It is an arithmetic number, because the mean of its divisors is an integer number (2410800).

Almost surely, 251924964 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 51924964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57859200).

51924964 is an abundant number, since it is smaller than the sum of its proper divisors (63793436).

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

51924964 is a wasteful number, since it uses less digits than its factorization.

51924964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4972 (or 4970 counting only the distinct ones).

The product of its digits is 77760, while the sum is 40.

The square root of 51924964 is about 7205.8978621682. The cubic root of 51924964 is about 373.0714954700.

The spelling of 51924964 in words is "fifty-one million, nine hundred twenty-four thousand, nine hundred sixty-four".

Divisors: 1 2 4 7 13 14 26 28 29 52 58 91 116 182 203 364 377 406 754 812 1508 2639 4919 5278 9838 10556 19676 34433 63947 68866 127894 137732 142651 255788 285302 447629 570604 895258 998557 1790516 1854463 1997114 3708926 3994228 7417852 12981241 25962482 51924964