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23086913 = 94724379
BaseRepresentation
bin101100000010…
…0011101000001
31121102221021212
41120010131001
521402240123
62142455505
7400143533
oct130043501
947387255
1023086913
11120395a3
127894595
134a244c5
1430cd853
152060878
hex1604741

23086913 has 4 divisors (see below), whose sum is σ = 23112240. Its totient is φ = 23061588.

The previous prime is 23086891. The next prime is 23086933. The reversal of 23086913 is 31968032.

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 23086913 - 26 = 23086849 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23086913.

It is not an unprimeable number, because it can be changed into a prime (23086933) 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, 11243 + ... + 13136.

It is an arithmetic number, because the mean of its divisors is an integer number (5778060).

Almost surely, 223086913 is an apocalyptic number.

It is an amenable number.

23086913 is a deficient number, since it is larger than the sum of its proper divisors (25327).

23086913 is an equidigital number, since it uses as much as digits as its factorization.

23086913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25326.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 23086913 is about 4804.8842858075. The cubic root of 23086913 is about 284.7444636758.

The spelling of 23086913 in words is "twenty-three million, eighty-six thousand, nine hundred thirteen".

Divisors: 1 947 24379 23086913