Search a number
-
+
51480836 = 22111170019
BaseRepresentation
bin1100010001100…
…0100100000100
310120212111102122
43010120210010
5101134341321
65035225112
71163402621
oct304304404
9116774378
1051480836
1127072350
12152a8198
13a886444
146ba1348
1547bd8ab
hex3118904

51480836 has 12 divisors (see below), whose sum is σ = 98281680. Its totient is φ = 23400360.

The previous prime is 51480827. The next prime is 51480851. The reversal of 51480836 is 63808415.

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 51480796 and 51480805.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 584966 + ... + 585053.

It is an arithmetic number, because the mean of its divisors is an integer number (8190140).

Almost surely, 251480836 is an apocalyptic number.

It is an amenable number.

51480836 is a deficient number, since it is larger than the sum of its proper divisors (46800844).

51480836 is a wasteful number, since it uses less digits than its factorization.

51480836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170034 (or 1170032 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 51480836 is about 7175.0147038177. The cubic root of 51480836 is about 372.0047885459.

It can be divided in two parts, 5 and 1480836, that added together give a palindrome (1480841).

The spelling of 51480836 in words is "fifty-one million, four hundred eighty thousand, eight hundred thirty-six".

Divisors: 1 2 4 11 22 44 1170019 2340038 4680076 12870209 25740418 51480836