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56228949 = 327892523
BaseRepresentation
bin1101011001111…
…1110001010101
310220210201121200
43112133301111
5103343311244
65325103113
71251636540
oct326376125
9126721550
1056228949
1129815707
12169b7a99
13b85968a
147679857
154e0a669
hex359fc55

56228949 has 12 divisors (see below), whose sum is σ = 92822496. Its totient is φ = 32130792.

The previous prime is 56228933. The next prime is 56228957. The reversal of 56228949 is 94982265.

56228949 is a `hidden beast` number, since 562 + 2 + 89 + 4 + 9 = 666.

It is not a de Polignac number, because 56228949 - 24 = 56228933 is a prime.

It is a super-3 number, since 3×562289493 (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56228449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 446199 + ... + 446324.

It is an arithmetic number, because the mean of its divisors is an integer number (7735208).

Almost surely, 256228949 is an apocalyptic number.

It is an amenable number.

56228949 is a deficient number, since it is larger than the sum of its proper divisors (36593547).

56228949 is a wasteful number, since it uses less digits than its factorization.

56228949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892536 (or 892533 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 56228949 is about 7498.5964686733. The cubic root of 56228949 is about 383.1069129593.

The spelling of 56228949 in words is "fifty-six million, two hundred twenty-eight thousand, nine hundred forty-nine".

Divisors: 1 3 7 9 21 63 892523 2677569 6247661 8032707 18742983 56228949