Search a number
-
+
53431944 = 2332396797
BaseRepresentation
bin1100101111010…
…0111010001000
310201112121211220
43023310322020
5102134310234
65145122040
71216110156
oct313647210
9121477756
1053431944
1128185235
1215a89320
13b0ba547
14714c3d6
154a56a49
hex32f4e88

53431944 has 32 divisors (see below), whose sum is σ = 139389120. Its totient is φ = 17036096.

The previous prime is 53431927. The next prime is 53431957. The reversal of 53431944 is 44913435.

53431944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 47847 + ... + 48950.

It is an arithmetic number, because the mean of its divisors is an integer number (4355910).

Almost surely, 253431944 is an apocalyptic number.

It is an amenable number.

53431944 is an abundant number, since it is smaller than the sum of its proper divisors (85957176).

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

53431944 is a wasteful number, since it uses less digits than its factorization.

53431944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96829 (or 96825 counting only the distinct ones).

The product of its digits is 25920, while the sum is 33.

The square root of 53431944 is about 7309.7157263467. The cubic root of 53431944 is about 376.6462591949.

The spelling of 53431944 in words is "fifty-three million, four hundred thirty-one thousand, nine hundred forty-four".

Divisors: 1 2 3 4 6 8 12 23 24 46 69 92 138 184 276 552 96797 193594 290391 387188 580782 774376 1161564 2226331 2323128 4452662 6678993 8905324 13357986 17810648 26715972 53431944