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51358304 = 252955343
BaseRepresentation
bin1100001111101…
…0101001100000
310120122021100102
43003322221200
5101121431204
65032441532
71162352444
oct303725140
9116567312
1051358304
1126a99288
12152492a8
13a84273a
146b6c824
15479741e
hex30faa60

51358304 has 24 divisors (see below), whose sum is σ = 104600160. Its totient is φ = 24793216.

The previous prime is 51358303. The next prime is 51358313. The reversal of 51358304 is 40385315.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51358301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26744 + ... + 28599.

It is an arithmetic number, because the mean of its divisors is an integer number (4358340).

Almost surely, 251358304 is an apocalyptic number.

It is an amenable number.

51358304 is an abundant number, since it is smaller than the sum of its proper divisors (53241856).

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

51358304 is a wasteful number, since it uses less digits than its factorization.

51358304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55382 (or 55374 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 51358304 is about 7166.4708190294. The cubic root of 51358304 is about 371.7094119453.

The spelling of 51358304 in words is "fifty-one million, three hundred fifty-eight thousand, three hundred four".

Divisors: 1 2 4 8 16 29 32 58 116 232 464 928 55343 110686 221372 442744 885488 1604947 1770976 3209894 6419788 12839576 25679152 51358304