Search a number
-
+
56717541 = 3242114969
BaseRepresentation
bin1101100001011…
…1000011100101
310221201112211200
43120113003211
5104004430131
65343353113
71256043156
oct330270345
9127645750
1056717541
112a019801
1216bb2799
13b99ab9a
14776592d
154ea52e6
hex36170e5

56717541 has 12 divisors (see below), whose sum is σ = 82125420. Its totient is φ = 37719360.

The previous prime is 56717537. The next prime is 56717543. The reversal of 56717541 is 14571765.

56717541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 152100 + 56565441 = 390^2 + 7521^2 .

It is not a de Polignac number, because 56717541 - 22 = 56717537 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 56717496 and 56717505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56717543) 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 11 ways as a sum of consecutive naturals, for example, 3696 + ... + 11273.

It is an arithmetic number, because the mean of its divisors is an integer number (6843785).

Almost surely, 256717541 is an apocalyptic number.

It is an amenable number.

56717541 is a deficient number, since it is larger than the sum of its proper divisors (25407879).

56717541 is a wasteful number, since it uses less digits than its factorization.

56717541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15396 (or 15393 counting only the distinct ones).

The product of its digits is 29400, while the sum is 36.

The square root of 56717541 is about 7531.1048990171. The cubic root of 56717541 is about 384.2133620591.

The spelling of 56717541 in words is "fifty-six million, seven hundred seventeen thousand, five hundred forty-one".

Divisors: 1 3 9 421 1263 3789 14969 44907 134721 6301949 18905847 56717541