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23116117 = 139166303
BaseRepresentation
bin101100000101…
…1100101010101
31121111102100111
41120023211111
521404203432
62143243021
7400324633
oct130134525
947442314
1023116117
1112059532
1278a9471
134a3489b
1430da353
152069347
hex160b955

23116117 has 4 divisors (see below), whose sum is σ = 23282560. Its totient is φ = 22949676.

The previous prime is 23116097. The next prime is 23116123. The reversal of 23116117 is 71161132.

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 a de Polignac number, because none of the positive numbers 2k-23116117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23116417) 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, 83013 + ... + 83290.

It is an arithmetic number, because the mean of its divisors is an integer number (5820640).

Almost surely, 223116117 is an apocalyptic number.

It is an amenable number.

23116117 is a deficient number, since it is larger than the sum of its proper divisors (166443).

23116117 is a wasteful number, since it uses less digits than its factorization.

23116117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166442.

The product of its digits is 252, while the sum is 22.

The square root of 23116117 is about 4807.9223163441. The cubic root of 23116117 is about 284.8644764503.

Adding to 23116117 its reverse (71161132), we get a palindrome (94277249).

The spelling of 23116117 in words is "twenty-three million, one hundred sixteen thousand, one hundred seventeen".

Divisors: 1 139 166303 23116117