[go: up one dir, main page]

Search a number
-
+
51744936 = 2332156039
BaseRepresentation
bin1100010101100…
…1000010101000
310121100220201010
43011121002220
5101221314221
65045023520
71165552605
oct305310250
9117326633
1051744936
1127232811
12153b4ba0
13a949709
146c2d6ac
154821c76
hex31590a8

51744936 has 16 divisors (see below), whose sum is σ = 129362400. Its totient is φ = 17248304.

The previous prime is 51744887. The next prime is 51744937. The reversal of 51744936 is 63944715.

It is a junction number, because it is equal to n+sod(n) for n = 51744894 and 51744903.

It is not an unprimeable number, because it can be changed into a prime (51744937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1077996 + ... + 1078043.

It is an arithmetic number, because the mean of its divisors is an integer number (8085150).

Almost surely, 251744936 is an apocalyptic number.

It is an amenable number.

51744936 is an abundant number, since it is smaller than the sum of its proper divisors (77617464).

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

51744936 is a wasteful number, since it uses less digits than its factorization.

51744936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2156048 (or 2156044 counting only the distinct ones).

The product of its digits is 90720, while the sum is 39.

The square root of 51744936 is about 7193.3953040272. The cubic root of 51744936 is about 372.6398399935.

The spelling of 51744936 in words is "fifty-one million, seven hundred forty-four thousand, nine hundred thirty-six".

Divisors: 1 2 3 4 6 8 12 24 2156039 4312078 6468117 8624156 12936234 17248312 25872468 51744936