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51416713 = 461111533
BaseRepresentation
bin1100010000100…
…0111010001001
310120202020110201
43010020322021
5101130313323
65034012201
71163014645
oct304107211
9116666421
1051416713
1127029157
1215277061
13a8631ba
146b85c25
1547a98ad
hex3108e89

51416713 has 4 divisors (see below), whose sum is σ = 51528708. Its totient is φ = 51304720.

The previous prime is 51416711. The next prime is 51416723. The reversal of 51416713 is 31761415.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6901129 + 44515584 = 2627^2 + 6672^2 .

It is a cyclic number.

It is not a de Polignac number, because 51416713 - 21 = 51416711 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51416711) 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, 55306 + ... + 56227.

It is an arithmetic number, because the mean of its divisors is an integer number (12882177).

Almost surely, 251416713 is an apocalyptic number.

It is an amenable number.

51416713 is a deficient number, since it is larger than the sum of its proper divisors (111995).

51416713 is a wasteful number, since it uses less digits than its factorization.

51416713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111994.

The product of its digits is 2520, while the sum is 28.

The square root of 51416713 is about 7170.5448189102. The cubic root of 51416713 is about 371.8502716697.

The spelling of 51416713 in words is "fifty-one million, four hundred sixteen thousand, seven hundred thirteen".

Divisors: 1 461 111533 51416713