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56496945 = 3515432441
BaseRepresentation
bin1101011110000…
…1001100110001
310221022100020110
43113201030301
5103430400240
65334531533
71254134061
oct327411461
9127270213
1056496945
1129988a9a
1216b06ba9
13b92165b
1477093a1
154e5ec80
hex35e1331

56496945 has 16 divisors (see below), whose sum is σ = 90490752. Its totient is φ = 30099840.

The previous prime is 56496943. The next prime is 56496953. The reversal of 56496945 is 54969465.

56496945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56496945 - 21 = 56496943 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 56496894 and 56496903.

It is not an unprimeable number, because it can be changed into a prime (56496943) 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 15 ways as a sum of consecutive naturals, for example, 21925 + ... + 24365.

It is an arithmetic number, because the mean of its divisors is an integer number (5655672).

Almost surely, 256496945 is an apocalyptic number.

It is an amenable number.

56496945 is a deficient number, since it is larger than the sum of its proper divisors (33993807).

56496945 is a wasteful number, since it uses less digits than its factorization.

56496945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3992.

The product of its digits is 1166400, while the sum is 48.

The square root of 56496945 is about 7516.4449708622. Note that the first 3 decimals coincide. The cubic root of 56496945 is about 383.7145977732.

The spelling of 56496945 in words is "fifty-six million, four hundred ninety-six thousand, nine hundred forty-five".

Divisors: 1 3 5 15 1543 2441 4629 7323 7715 12205 23145 36615 3766463 11299389 18832315 56496945