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56024071 = 419133709
BaseRepresentation
bin1101010110110…
…1110000000111
310220102022120121
43111231300013
5103320232241
65320442411
71250124325
oct325556007
9126368517
1056024071
1129695794
1216919407
13b7b734c
147624d15
154db9ad1
hex356dc07

56024071 has 4 divisors (see below), whose sum is σ = 56158200. Its totient is φ = 55889944.

The previous prime is 56024063. The next prime is 56024077. The reversal of 56024071 is 17042065.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17042065 = 53408413.

It is a cyclic number.

It is not a de Polignac number, because 56024071 - 23 = 56024063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56024077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66436 + ... + 67273.

It is an arithmetic number, because the mean of its divisors is an integer number (14039550).

Almost surely, 256024071 is an apocalyptic number.

56024071 is a deficient number, since it is larger than the sum of its proper divisors (134129).

56024071 is a wasteful number, since it uses less digits than its factorization.

56024071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134128.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 56024071 is about 7484.9229120947. The cubic root of 56024071 is about 382.6410455671.

The spelling of 56024071 in words is "fifty-six million, twenty-four thousand, seventy-one".

Divisors: 1 419 133709 56024071