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23309801 = 72732063
BaseRepresentation
bin101100011101…
…0110111101001
31121212021000222
41120322313221
521431403201
62151335425
7402062414
oct130726751
947767028
1023309801
1112180aa9
127981575
134aa1aa8
14314ab7b
1520a691b
hex163ade9

23309801 has 4 divisors (see below), whose sum is σ = 23342592. Its totient is φ = 23277012.

The previous prime is 23309777. The next prime is 23309807. The reversal of 23309801 is 10890332.

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.

It is a cyclic number.

It is not a de Polignac number, because 23309801 - 210 = 23308777 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23309807) 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, 15305 + ... + 16758.

It is an arithmetic number, because the mean of its divisors is an integer number (5835648).

Almost surely, 223309801 is an apocalyptic number.

It is an amenable number.

23309801 is a deficient number, since it is larger than the sum of its proper divisors (32791).

23309801 is an equidigital number, since it uses as much as digits as its factorization.

23309801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32790.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 23309801 is about 4828.0224730214. The cubic root of 23309801 is about 285.6578667527.

The spelling of 23309801 in words is "twenty-three million, three hundred nine thousand, eight hundred one".

Divisors: 1 727 32063 23309801