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51716967 = 347366787
BaseRepresentation
bin1100010101001…
…0001101100111
310121022111100020
43011102031213
5101214420332
65044250223
71165405221
oct305221547
9117274306
1051716967
11272137a5
12153a0973
13a939a73
146c23411
15481882c
hex3152367

51716967 has 8 divisors (see below), whose sum is σ = 70423296. Its totient is φ = 33744312.

The previous prime is 51716957. The next prime is 51716969. The reversal of 51716967 is 76961715.

51716967 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 51716967 - 219 = 51192679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51716969) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 183253 + ... + 183534.

It is an arithmetic number, because the mean of its divisors is an integer number (8802912).

Almost surely, 251716967 is an apocalyptic number.

51716967 is a deficient number, since it is larger than the sum of its proper divisors (18706329).

51716967 is a wasteful number, since it uses less digits than its factorization.

51716967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366837.

The product of its digits is 79380, while the sum is 42.

The square root of 51716967 is about 7191.4509662515. The cubic root of 51716967 is about 372.5726885460.

The spelling of 51716967 in words is "fifty-one million, seven hundred sixteen thousand, nine hundred sixty-seven".

Divisors: 1 3 47 141 366787 1100361 17238989 51716967