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23225081 = 116731513
BaseRepresentation
bin101100010011…
…0001011111001
31121200221211012
41120212023321
521421200311
62145443305
7401260415
oct130461371
947627735
1023225081
1112123390
127940535
134a72369
143127d45
15208b78b
hex16262f9

23225081 has 8 divisors (see below), whose sum is σ = 25715424. Its totient is φ = 20797920.

The previous prime is 23225063. The next prime is 23225089. The reversal of 23225081 is 18052232.

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

It is not a de Polignac number, because 23225081 - 26 = 23225017 is a prime.

It is a super-2 number, since 2×232250812 = 1078808774913122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23225089) 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, 15020 + ... + 16493.

It is an arithmetic number, because the mean of its divisors is an integer number (3214428).

Almost surely, 223225081 is an apocalyptic number.

It is an amenable number.

23225081 is a deficient number, since it is larger than the sum of its proper divisors (2490343).

23225081 is a wasteful number, since it uses less digits than its factorization.

23225081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31591.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 23225081 is about 4819.2407078294. The cubic root of 23225081 is about 285.3113699661.

The spelling of 23225081 in words is "twenty-three million, two hundred twenty-five thousand, eighty-one".

Divisors: 1 11 67 737 31513 346643 2111371 23225081