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56122407 = 32111793167
BaseRepresentation
bin1101011000010…
…1110000100111
310220121022110200
43112011300213
5103331404112
65322521543
71251014115
oct326056047
9126538420
1056122407
1129752660
12169662b3
13b820033
14764cab5
154dd8cdc
hex3585c27

56122407 has 24 divisors (see below), whose sum is σ = 88957440. Its totient is φ = 33812880.

The previous prime is 56122387. The next prime is 56122427. The reversal of 56122407 is 70422165.

56122407 is a `hidden beast` number, since 5 + 612 + 2 + 40 + 7 = 666.

56122407 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (56122387) and next prime (56122427).

It is not a de Polignac number, because 56122407 - 211 = 56120359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56122427) 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 23 ways as a sum of consecutive naturals, for example, 16138 + ... + 19304.

It is an arithmetic number, because the mean of its divisors is an integer number (3706560).

Almost surely, 256122407 is an apocalyptic number.

56122407 is a deficient number, since it is larger than the sum of its proper divisors (32835033).

56122407 is a wasteful number, since it uses less digits than its factorization.

56122407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3363 (or 3360 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 56122407 is about 7491.4889708255. The cubic root of 56122407 is about 382.8647910365.

The spelling of 56122407 in words is "fifty-six million, one hundred twenty-two thousand, four hundred seven".

Divisors: 1 3 9 11 33 99 179 537 1611 1969 3167 5907 9501 17721 28503 34837 104511 313533 566893 1700679 5102037 6235823 18707469 56122407