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23056255 = 54611251
BaseRepresentation
bin101011111110…
…0111101111111
31121101101020101
41113330331333
521400300010
62142101531
7366655255
oct127747577
947341211
1023056255
1112018562
12787a8a7
134a13571
1430c25d5
15205673a
hex15fcf7f

23056255 has 4 divisors (see below), whose sum is σ = 27667512. Its totient is φ = 18445000.

The previous prime is 23056211. The next prime is 23056261. The reversal of 23056255 is 55265032.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 23056255 - 223 = 14667647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2305621 + ... + 2305630.

It is an arithmetic number, because the mean of its divisors is an integer number (6916878).

Almost surely, 223056255 is an apocalyptic number.

23056255 is a deficient number, since it is larger than the sum of its proper divisors (4611257).

23056255 is an equidigital number, since it uses as much as digits as its factorization.

23056255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4611256.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 23056255 is about 4801.6929306235. The cubic root of 23056255 is about 284.6183668002.

The spelling of 23056255 in words is "twenty-three million, fifty-six thousand, two hundred fifty-five".

Divisors: 1 5 4611251 23056255