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56727707 = 431399491
BaseRepresentation
bin1101100001100…
…1100010011011
310221202001210012
43120121202123
5104010241312
65343512135
71256114621
oct330314233
9127661705
1056727707
112a026403
1216bb864b
13b9a26ba
147769511
154ea8322
hex361989b

56727707 has 8 divisors (see below), whose sum is σ = 58470720. Its totient is φ = 55004040.

The previous prime is 56727701. The next prime is 56727709. The reversal of 56727707 is 70772765.

56727707 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-56727707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56727701) 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, 1232 + ... + 10722.

It is an arithmetic number, because the mean of its divisors is an integer number (7308840).

Almost surely, 256727707 is an apocalyptic number.

56727707 is a deficient number, since it is larger than the sum of its proper divisors (1743013).

56727707 is a wasteful number, since it uses less digits than its factorization.

56727707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9673.

The product of its (nonzero) digits is 144060, while the sum is 41.

The square root of 56727707 is about 7531.7798029417. The cubic root of 56727707 is about 384.2363160379.

The spelling of 56727707 in words is "fifty-six million, seven hundred twenty-seven thousand, seven hundred seven".

Divisors: 1 43 139 5977 9491 408113 1319249 56727707