Search a number
-
+
51204963 = 331217761
BaseRepresentation
bin1100001101010…
…1001101100011
310120100111000010
43003111031203
5101102024323
65025300003
71161143415
oct303251543
9116314003
1051204963
11269a4057
1215194603
13a7ba9c4
146b2c9b5
154766c93
hex30d5363

51204963 has 12 divisors (see below), whose sum is σ = 70550664. Its totient is φ = 33033600.

The previous prime is 51204961. The next prime is 51204971. The reversal of 51204963 is 36940215.

51204963 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51204963 - 21 = 51204961 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51204963.

It is not an unprimeable number, because it can be changed into a prime (51204961) 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 11 ways as a sum of consecutive naturals, for example, 5998 + ... + 11763.

It is an arithmetic number, because the mean of its divisors is an integer number (5879222).

Almost surely, 251204963 is an apocalyptic number.

51204963 is a deficient number, since it is larger than the sum of its proper divisors (19345701).

51204963 is a wasteful number, since it uses less digits than its factorization.

51204963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17826 (or 17795 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 51204963 is about 7155.7643197635. The cubic root of 51204963 is about 371.3391043250.

The spelling of 51204963 in words is "fifty-one million, two hundred four thousand, nine hundred sixty-three".

Divisors: 1 3 31 93 961 2883 17761 53283 550591 1651773 17068321 51204963