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51331514 = 2136779373
BaseRepresentation
bin1100001111010…
…0000110111010
310120120220121012
43003310012322
5101120102024
65032113522
71162211363
oct303640672
9116526535
1051331514
1126a80143
12152358a2
13a8334a0
146b62b6a
15478e50e
hex30f41ba

51331514 has 32 divisors (see below), whose sum is σ = 85451520. Its totient is φ = 22980672.

The previous prime is 51331513. The next prime is 51331573. The reversal of 51331514 is 41513315.

51331514 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 51331514.

It is not an unprimeable number, because it can be changed into a prime (51331513) 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 15 ways as a sum of consecutive naturals, for example, 137432 + ... + 137804.

It is an arithmetic number, because the mean of its divisors is an integer number (2670360).

Almost surely, 251331514 is an apocalyptic number.

51331514 is a deficient number, since it is larger than the sum of its proper divisors (34120006).

51331514 is a wasteful number, since it uses less digits than its factorization.

51331514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534.

The product of its digits is 900, while the sum is 23.

The square root of 51331514 is about 7164.6014543727. The cubic root of 51331514 is about 371.6447691881.

Adding to 51331514 its reverse (41513315), we get a palindrome (92844829).

The spelling of 51331514 in words is "fifty-one million, three hundred thirty-one thousand, five hundred fourteen".

Divisors: 1 2 13 26 67 79 134 158 373 746 871 1027 1742 2054 4849 5293 9698 10586 24991 29467 49982 58934 68809 137618 324883 383071 649766 766142 1974289 3948578 25665757 51331514