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56772001 = 1113230539
BaseRepresentation
bin1101100010010…
…0010110100001
310221211022112201
43120210112201
5104013201001
65344453201
71256361016
oct330442641
9127738481
1056772001
112a056710
121701a201
13b9b9900
14777b70d
154eb6501
hex36245a1

56772001 has 12 divisors (see below), whose sum is σ = 67065840. Its totient is φ = 47639280.

The previous prime is 56771989. The next prime is 56772011. The reversal of 56772001 is 10027765.

It is not a de Polignac number, because 56772001 - 27 = 56771873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56772011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13411 + ... + 17128.

It is an arithmetic number, because the mean of its divisors is an integer number (5588820).

Almost surely, 256772001 is an apocalyptic number.

It is an amenable number.

56772001 is a deficient number, since it is larger than the sum of its proper divisors (10293839).

56772001 is a wasteful number, since it uses less digits than its factorization.

56772001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30576 (or 30563 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 56772001 is about 7534.7197028158. The cubic root of 56772001 is about 384.3362961977.

Adding to 56772001 its reverse (10027765), we get a palindrome (66799766).

The spelling of 56772001 in words is "fifty-six million, seven hundred seventy-two thousand, one".

Divisors: 1 11 13 143 169 1859 30539 335929 397007 4367077 5161091 56772001