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56006153 = 78000879
BaseRepresentation
bin1101010110100…
…1011000001001
310220101101222222
43111221120021
5103314144103
65320223425
71250021150
oct325513011
9126341888
1056006153
1129683285
121690ab75
13b7ac148
14761c597
154db4638
hex3569609

56006153 has 4 divisors (see below), whose sum is σ = 64007040. Its totient is φ = 48005268.

The previous prime is 56006141. The next prime is 56006183. The reversal of 56006153 is 35160065.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35160065 = 57032013.

It is a cyclic number.

It is not a de Polignac number, because 56006153 - 26 = 56006089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56006183) 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, 4000433 + ... + 4000446.

It is an arithmetic number, because the mean of its divisors is an integer number (16001760).

Almost surely, 256006153 is an apocalyptic number.

It is an amenable number.

56006153 is a deficient number, since it is larger than the sum of its proper divisors (8000887).

56006153 is an equidigital number, since it uses as much as digits as its factorization.

56006153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8000886.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 56006153 is about 7483.7258768611. The cubic root of 56006153 is about 382.6002482622.

The spelling of 56006153 in words is "fifty-six million, six thousand, one hundred fifty-three".

Divisors: 1 7 8000879 56006153