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23385055 = 54677011
BaseRepresentation
bin101100100110…
…1001111011111
31122000002021011
41121031033133
521441310210
62153120051
7402525001
oct131151737
948002234
1023385055
11122225a1
1279b9027
134aca115
14316a371
1520bdd8a
hex164d3df

23385055 has 4 divisors (see below), whose sum is σ = 28062072. Its totient is φ = 18708040.

The previous prime is 23385053. The next prime is 23385059. The reversal of 23385055 is 55058332.

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

It is not a de Polignac number, because 23385055 - 21 = 23385053 is a prime.

It is a super-3 number, since 3×233850553 (a number of 23 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23385053) 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, 2338501 + ... + 2338510.

It is an arithmetic number, because the mean of its divisors is an integer number (7015518).

Almost surely, 223385055 is an apocalyptic number.

23385055 is a deficient number, since it is larger than the sum of its proper divisors (4677017).

23385055 is an equidigital number, since it uses as much as digits as its factorization.

23385055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4677016.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 23385055 is about 4835.8096529950. The cubic root of 23385055 is about 285.9649450898.

The spelling of 23385055 in words is "twenty-three million, three hundred eighty-five thousand, fifty-five".

Divisors: 1 5 4677011 23385055