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23983129 = 166714387
BaseRepresentation
bin101101101111…
…1010000011001
31200010110200001
41123133100121
522114430004
62214013001
7410565442
oct133372031
950113601
1023983129
11125a0975
128047161
134c79401
1432842c9
15218b1a4
hex16df419

23983129 has 4 divisors (see below), whose sum is σ = 23999184. Its totient is φ = 23967076.

The previous prime is 23983123. The next prime is 23983159. The reversal of 23983129 is 92138932.

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 23983129 - 215 = 23950361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23983123) 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, 5527 + ... + 8860.

It is an arithmetic number, because the mean of its divisors is an integer number (5999796).

Almost surely, 223983129 is an apocalyptic number.

It is an amenable number.

23983129 is a deficient number, since it is larger than the sum of its proper divisors (16055).

23983129 is a wasteful number, since it uses less digits than its factorization.

23983129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16054.

The product of its digits is 23328, while the sum is 37.

The square root of 23983129 is about 4897.2572936288. The cubic root of 23983129 is about 288.3823087942.

The spelling of 23983129 in words is "twenty-three million, nine hundred eighty-three thousand, one hundred twenty-nine".

Divisors: 1 1667 14387 23983129