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23899113 = 327254193
BaseRepresentation
bin101101100101…
…0101111101001
31122222012102100
41123022233221
522104232423
62212124013
7410065500
oct133125751
948865370
1023899113
1112543837
128006609
134c4a0b4
143261837
152171343
hex16cabe9

23899113 has 18 divisors (see below), whose sum is σ = 40157754. Its totient is φ = 13656384.

The previous prime is 23899091. The next prime is 23899121. The reversal of 23899113 is 31199832.

It can be written as a sum of positive squares in only one way, i.e., 22924944 + 974169 = 4788^2 + 987^2 .

It is not a de Polignac number, because 23899113 - 26 = 23899049 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23899123) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 26656 + ... + 27537.

Almost surely, 223899113 is an apocalyptic number.

It is an amenable number.

23899113 is a deficient number, since it is larger than the sum of its proper divisors (16258641).

23899113 is a wasteful number, since it uses less digits than its factorization.

23899113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54213 (or 54203 counting only the distinct ones).

The product of its digits is 11664, while the sum is 36.

The square root of 23899113 is about 4888.6719055384. The cubic root of 23899113 is about 288.0451679737.

The spelling of 23899113 in words is "twenty-three million, eight hundred ninety-nine thousand, one hundred thirteen".

Divisors: 1 3 7 9 21 49 63 147 441 54193 162579 379351 487737 1138053 2655457 3414159 7966371 23899113