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23083073 = 137692309
BaseRepresentation
bin101100000001…
…1100001000001
31121102202000122
41120003201001
521402124243
62142430025
7400126406
oct130034101
947382018
1023083073
1112036722
127892315
134a22830
1430cc2ad
15205e668
hex1603841

23083073 has 8 divisors (see below), whose sum is σ = 24901800. Its totient is φ = 21270528.

The previous prime is 23083069. The next prime is 23083087. The reversal of 23083073 is 37038032.

It can be written as a sum of positive squares in 4 ways, for example, as 2362369 + 20720704 = 1537^2 + 4552^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 23083073 - 22 = 23083069 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 (23083373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8843 + ... + 11151.

It is an arithmetic number, because the mean of its divisors is an integer number (3112725).

Almost surely, 223083073 is an apocalyptic number.

It is an amenable number.

23083073 is a deficient number, since it is larger than the sum of its proper divisors (1818727).

23083073 is a wasteful number, since it uses less digits than its factorization.

23083073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3091.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 23083073 is about 4804.4846758003. The cubic root of 23083073 is about 284.7286758083.

The spelling of 23083073 in words is "twenty-three million, eighty-three thousand, seventy-three".

Divisors: 1 13 769 2309 9997 30017 1775621 23083073