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51046961 = 722393257
BaseRepresentation
bin1100001010111…
…0101000110001
310120001110021012
43002232220301
5101032000321
65022040305
71156614650
oct302565061
9116043235
1051046961
11268a6379
1215119095
13a763b04
146acb197
15473505b
hex30aea31

51046961 has 8 divisors (see below), whose sum is σ = 58383360. Its totient is φ = 43721568.

The previous prime is 51046951. The next prime is 51046973. The reversal of 51046961 is 16964015.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-51046961 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51046921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14045 + ... + 17301.

It is an arithmetic number, because the mean of its divisors is an integer number (7297920).

Almost surely, 251046961 is an apocalyptic number.

It is an amenable number.

51046961 is a deficient number, since it is larger than the sum of its proper divisors (7336399).

51046961 is a wasteful number, since it uses less digits than its factorization.

51046961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5503.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 51046961 is about 7144.7155996583. The cubic root of 51046961 is about 370.9567665636.

The spelling of 51046961 in words is "fifty-one million, forty-six thousand, nine hundred sixty-one".

Divisors: 1 7 2239 3257 15673 22799 7292423 51046961