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23985379 = 1110121589
BaseRepresentation
bin101101101111…
…1110011100011
31200010120202101
41123133303203
522120013004
62214031231
7410605135
oct133376343
950116671
1023985379
11125a2630
128048517
134c7a442
143285055
15218bba4
hex16dfce3

23985379 has 8 divisors (see below), whose sum is σ = 26426160. Its totient is φ = 21588000.

The previous prime is 23985373. The next prime is 23985431. The reversal of 23985379 is 97358932.

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 23985379 - 23 = 23985371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23985371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9684 + ... + 11905.

It is an arithmetic number, because the mean of its divisors is an integer number (3303270).

Almost surely, 223985379 is an apocalyptic number.

23985379 is a deficient number, since it is larger than the sum of its proper divisors (2440781).

23985379 is a wasteful number, since it uses less digits than its factorization.

23985379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21701.

The product of its digits is 408240, while the sum is 46.

The square root of 23985379 is about 4897.4870086607. The cubic root of 23985379 is about 288.3913267988.

It can be divided in two parts, 239853 and 79, that added together give a palindrome (239932).

The spelling of 23985379 in words is "twenty-three million, nine hundred eighty-five thousand, three hundred seventy-nine".

Divisors: 1 11 101 1111 21589 237479 2180489 23985379