Search a number
-
+
56732120 = 2352948907
BaseRepresentation
bin1101100001101…
…0100111011000
310221202021211122
43120122213120
5104010411440
65343544412
71256133524
oct330324730
9127667748
1056732120
112a029755
1216bbb108
13b9a4703
14776ad84
154ea97b5
hex361a9d8

56732120 has 32 divisors (see below), whose sum is σ = 132051600. Its totient is φ = 21909888.

The previous prime is 56732113. The next prime is 56732129. The reversal of 56732120 is 2123765.

56732120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 56732120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56732129) 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 7 ways as a sum of consecutive naturals, for example, 23294 + ... + 25613.

Almost surely, 256732120 is an apocalyptic number.

It is an amenable number.

56732120 is an abundant number, since it is smaller than the sum of its proper divisors (75319480).

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

56732120 is a wasteful number, since it uses less digits than its factorization.

56732120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48947 (or 48943 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 56732120 is about 7532.0727558886. The cubic root of 56732120 is about 384.2462793697.

Adding to 56732120 its reverse (2123765), we get a palindrome (58855885).

The spelling of 56732120 in words is "fifty-six million, seven hundred thirty-two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 29 40 58 116 145 232 290 580 1160 48907 97814 195628 244535 391256 489070 978140 1418303 1956280 2836606 5673212 7091515 11346424 14183030 28366060 56732120