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56106841 = 7107173433
BaseRepresentation
bin1101011000000…
…1111101011001
310220120112010011
43112001331121
5103330404331
65322321521
71250620540
oct326017531
9126515104
1056106841
112974199a
12169592a1
13b815c1b
147647157
154dd43b1
hex3581f59

56106841 has 16 divisors (see below), whose sum is σ = 65245824. Its totient is φ = 47257344.

The previous prime is 56106839. The next prime is 56106847. The reversal of 56106841 is 14860165.

It is a cyclic number.

It is not a de Polignac number, because 56106841 - 21 = 56106839 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56106847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129361 + ... + 129793.

It is an arithmetic number, because the mean of its divisors is an integer number (4077864).

Almost surely, 256106841 is an apocalyptic number.

It is an amenable number.

56106841 is a deficient number, since it is larger than the sum of its proper divisors (9138983).

56106841 is a wasteful number, since it uses less digits than its factorization.

56106841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 56106841 is about 7490.4499864828. The cubic root of 56106841 is about 382.8293908893.

The spelling of 56106841 in words is "fifty-six million, one hundred six thousand, eight hundred forty-one".

Divisors: 1 7 107 173 433 749 1211 3031 18511 46331 74909 129577 324317 524363 8015263 56106841