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51048764 = 2213981707
BaseRepresentation
bin1100001010111…
…1000100111100
310120001112201222
43002233010330
5101032030024
65022052512
71156623134
oct302570474
9116045658
1051048764
11268a7768
121511a138
13a764890
146acbac4
15473585e
hex30af13c

51048764 has 12 divisors (see below), whose sum is σ = 96207384. Its totient is φ = 23560944.

The previous prime is 51048703. The next prime is 51048791. The reversal of 51048764 is 46784015.

51048764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3 ways as a sum of consecutive naturals, for example, 490802 + ... + 490905.

It is an arithmetic number, because the mean of its divisors is an integer number (8017282).

Almost surely, 251048764 is an apocalyptic number.

It is an amenable number.

51048764 is a deficient number, since it is larger than the sum of its proper divisors (45158620).

51048764 is a wasteful number, since it uses less digits than its factorization.

51048764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981724 (or 981722 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 51048764 is about 7144.8417757148. The cubic root of 51048764 is about 370.9611339615.

The spelling of 51048764 in words is "fifty-one million, forty-eight thousand, seven hundred sixty-four".

Divisors: 1 2 4 13 26 52 981707 1963414 3926828 12762191 25524382 51048764