Search a number
-
+
51331314 = 2322393821
BaseRepresentation
bin1100001111010…
…0000011110010
310120120220022210
43003310003302
5101120100224
65032112550
71162210656
oct303640362
9116526283
1051331314
1126a7aa81
1215235756
13a833378
146b62a66
15478e429
hex30f40f2

51331314 has 16 divisors (see below), whose sum is σ = 102735360. Its totient is φ = 17098320.

The previous prime is 51331253. The next prime is 51331327. The reversal of 51331314 is 41313315.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11524 + ... + 15344.

It is an arithmetic number, because the mean of its divisors is an integer number (6420960).

Almost surely, 251331314 is an apocalyptic number.

51331314 is an abundant number, since it is smaller than the sum of its proper divisors (51404046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51331314 is a wasteful number, since it uses less digits than its factorization.

51331314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6065.

The product of its digits is 540, while the sum is 21.

The square root of 51331314 is about 7164.5874968486. The cubic root of 51331314 is about 371.6442865148.

Adding to 51331314 its reverse (41313315), we get a palindrome (92644629).

The spelling of 51331314 in words is "fifty-one million, three hundred thirty-one thousand, three hundred fourteen".

Divisors: 1 2 3 6 2239 3821 4478 6717 7642 11463 13434 22926 8555219 17110438 25665657 51331314