Search a number
-
+
51938832 = 2431198369
BaseRepresentation
bin1100011000100…
…0011000010000
310121201202200110
43012020120100
5101244020312
65053121320
71200321111
oct306103020
9117652613
1051938832
1127355460
1215489240
13a9b6a4a
146c80208
15485e43c
hex3188610

51938832 has 40 divisors (see below), whose sum is σ = 146374560. Its totient is φ = 15738880.

The previous prime is 51938813. The next prime is 51938833. The reversal of 51938832 is 23883915.

It is not an unprimeable number, because it can be changed into a prime (51938833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48657 + ... + 49712.

It is an arithmetic number, because the mean of its divisors is an integer number (3659364).

Almost surely, 251938832 is an apocalyptic number.

It is an amenable number.

51938832 is an abundant number, since it is smaller than the sum of its proper divisors (94435728).

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

51938832 is a wasteful number, since it uses less digits than its factorization.

51938832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98391 (or 98385 counting only the distinct ones).

The product of its digits is 51840, while the sum is 39.

The square root of 51938832 is about 7206.8600652434. The cubic root of 51938832 is about 373.1047055394.

The spelling of 51938832 in words is "fifty-one million, nine hundred thirty-eight thousand, eight hundred thirty-two".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 132 176 264 528 98369 196738 295107 393476 590214 786952 1082059 1180428 1573904 2164118 2360856 3246177 4328236 4721712 6492354 8656472 12984708 17312944 25969416 51938832