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56975045 = 547242447
BaseRepresentation
bin1101100101010…
…1111011000101
310222012122001212
43121111323011
5104041200140
65353101205
71261165001
oct331257305
9128178055
1056975045
112a185216
12170b7805
13ba5b15a
1477d1701
155006765
hex3655ec5

56975045 has 8 divisors (see below), whose sum is σ = 69825024. Its totient is φ = 44610064.

The previous prime is 56975033. The next prime is 56975047. The reversal of 56975045 is 54057965.

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

It is a cyclic number.

It is not a de Polignac number, because 56975045 - 24 = 56975029 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 56974993 and 56975011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56975047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120989 + ... + 121458.

It is an arithmetic number, because the mean of its divisors is an integer number (8728128).

Almost surely, 256975045 is an apocalyptic number.

It is an amenable number.

56975045 is a deficient number, since it is larger than the sum of its proper divisors (12849979).

56975045 is a wasteful number, since it uses less digits than its factorization.

56975045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242499.

The product of its (nonzero) digits is 189000, while the sum is 41.

The square root of 56975045 is about 7548.1815690933. The cubic root of 56975045 is about 384.7939415694.

The spelling of 56975045 in words is "fifty-six million, nine hundred seventy-five thousand, forty-five".

Divisors: 1 5 47 235 242447 1212235 11395009 56975045