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56124447 = 3139134591
BaseRepresentation
bin1101011000011…
…0010000011111
310220121102021020
43112012100133
5103331440242
65322535223
71251023061
oct326062037
9126542236
1056124447
1129754145
1216967513
13b820c42
14764d731
154dd96ec
hex358641f

56124447 has 8 divisors (see below), whose sum is σ = 75371520. Its totient is φ = 37146840.

The previous prime is 56124433. The next prime is 56124473. The reversal of 56124447 is 74442165.

56124447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 56124447 - 27 = 56124319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56124407) 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 7 ways as a sum of consecutive naturals, for example, 66879 + ... + 67712.

It is an arithmetic number, because the mean of its divisors is an integer number (9421440).

Almost surely, 256124447 is an apocalyptic number.

56124447 is a deficient number, since it is larger than the sum of its proper divisors (19247073).

56124447 is a wasteful number, since it uses less digits than its factorization.

56124447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134733.

The product of its digits is 26880, while the sum is 33.

The square root of 56124447 is about 7491.6251240969. The cubic root of 56124447 is about 382.8694299128.

The spelling of 56124447 in words is "fifty-six million, one hundred twenty-four thousand, four hundred forty-seven".

Divisors: 1 3 139 417 134591 403773 18708149 56124447