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23117413 = 112316163
BaseRepresentation
bin101100000101…
…1111001100101
31121111111010111
41120023321211
521404224123
62143253021
7400331464
oct130137145
947444114
1023117413
111205a500
1278aa171
134a35357
1430da9db
15206990d
hex160be65

23117413 has 12 divisors (see below), whose sum is σ = 26233984. Its totient is φ = 20334600.

The previous prime is 23117401. The next prime is 23117417. The reversal of 23117413 is 31471132.

It is a de Polignac number, because none of the positive numbers 2k-23117413 is a prime.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23117417) 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 11 ways as a sum of consecutive naturals, for example, 670 + ... + 6832.

Almost surely, 223117413 is an apocalyptic number.

It is an amenable number.

23117413 is a deficient number, since it is larger than the sum of its proper divisors (3116571).

23117413 is a wasteful number, since it uses less digits than its factorization.

23117413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6216 (or 6205 counting only the distinct ones).

The product of its digits is 504, while the sum is 22.

The square root of 23117413 is about 4808.0570920071. The cubic root of 23117413 is about 284.8697999721.

Adding to 23117413 its reverse (31471132), we get a palindrome (54588545).

The spelling of 23117413 in words is "twenty-three million, one hundred seventeen thousand, four hundred thirteen".

Divisors: 1 11 31 121 341 3751 6163 67793 191053 745723 2101583 23117413