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23989901 = 133076011
BaseRepresentation
bin101101110000…
…0111010001101
31200010210221212
41123200322031
522120134101
62214104205
7410624255
oct133407215
950123855
1023989901
11125a5a71
12804b065
134c7c510
143286965
15218d1bb
hex16e0e8d

23989901 has 8 divisors (see below), whose sum is σ = 25923744. Its totient is φ = 22068720.

The previous prime is 23989883. The next prime is 23989957. The reversal of 23989901 is 10998932.

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 23989901 - 218 = 23727757 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 (23989981) 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 7 ways as a sum of consecutive naturals, for example, 986 + ... + 6996.

It is an arithmetic number, because the mean of its divisors is an integer number (3240468).

Almost surely, 223989901 is an apocalyptic number.

It is an amenable number.

23989901 is a deficient number, since it is larger than the sum of its proper divisors (1933843).

23989901 is a wasteful number, since it uses less digits than its factorization.

23989901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6331.

The product of its (nonzero) digits is 34992, while the sum is 41.

The square root of 23989901 is about 4897.9486522421. The cubic root of 23989901 is about 288.4094492785.

The spelling of 23989901 in words is "twenty-three million, nine hundred eighty-nine thousand, nine hundred one".

Divisors: 1 13 307 3991 6011 78143 1845377 23989901