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56403049 is a prime number
BaseRepresentation
bin1101011100101…
…0010001101001
310221010120102211
43113022101221
5103414344144
65332525121
71253263243
oct327122151
9127116384
1056403049
112992449a
1216a807a1
13b8ba9b1
1476c3093
154e42034
hex35ca469

56403049 has 2 divisors, whose sum is σ = 56403050. Its totient is φ = 56403048.

The previous prime is 56403023. The next prime is 56403071. The reversal of 56403049 is 94030465.

56403049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55771024 + 632025 = 7468^2 + 795^2 .

It is a cyclic number.

It is not a de Polignac number, because 56403049 - 29 = 56402537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56403049.

It is not a weakly prime, because it can be changed into another prime (56403089) 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 as a sum of consecutive naturals, namely, 28201524 + 28201525.

It is an arithmetic number, because the mean of its divisors is an integer number (28201525).

Almost surely, 256403049 is an apocalyptic number.

It is an amenable number.

56403049 is a deficient number, since it is larger than the sum of its proper divisors (1).

56403049 is an equidigital number, since it uses as much as digits as its factorization.

56403049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 56403049 is about 7510.1963356493. The cubic root of 56403049 is about 383.5019063665.

The spelling of 56403049 in words is "fifty-six million, four hundred three thousand, forty-nine".