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51364423 = 1129161017
BaseRepresentation
bin1100001111110…
…0001001000111
310120122120202001
43003330021013
5101122130143
65032530131
71162406335
oct303741107
9116576661
1051364423
1126aa2940
1215250947
13a845466
146b70b55
15479914d
hex30fc247

51364423 has 8 divisors (see below), whose sum is σ = 57966480. Its totient is φ = 45084480.

The previous prime is 51364421. The next prime is 51364433. The reversal of 51364423 is 32446315.

51364423 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 a cyclic number.

It is not a de Polignac number, because 51364423 - 21 = 51364421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51364391 and 51364400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51364421) 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, 80190 + ... + 80827.

It is an arithmetic number, because the mean of its divisors is an integer number (7245810).

Almost surely, 251364423 is an apocalyptic number.

51364423 is a deficient number, since it is larger than the sum of its proper divisors (6602057).

51364423 is a wasteful number, since it uses less digits than its factorization.

51364423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161057.

The product of its digits is 8640, while the sum is 28.

The square root of 51364423 is about 7166.8977249574. The cubic root of 51364423 is about 371.7241735930.

It can be divided in two parts, 5136 and 4423, that added together give a palindrome (9559).

The spelling of 51364423 in words is "fifty-one million, three hundred sixty-four thousand, four hundred twenty-three".

Divisors: 1 11 29 319 161017 1771187 4669493 51364423