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23944385 = 547101891
BaseRepresentation
bin101101101010…
…1110011000001
31200001111112002
41123111303001
522112210020
62213113345
7410344463
oct133256301
950044462
1023944385
1112574853
128028855
134c6489a
143274133
15217e975
hex16d5cc1

23944385 has 8 divisors (see below), whose sum is σ = 29344896. Its totient is φ = 18747760.

The previous prime is 23944379. The next prime is 23944387. The reversal of 23944385 is 58344932.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23944385 - 26 = 23944321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23944387) 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, 50711 + ... + 51180.

It is an arithmetic number, because the mean of its divisors is an integer number (3668112).

Almost surely, 223944385 is an apocalyptic number.

It is an amenable number.

23944385 is a deficient number, since it is larger than the sum of its proper divisors (5400511).

23944385 is a wasteful number, since it uses less digits than its factorization.

23944385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101943.

The product of its digits is 103680, while the sum is 38.

The square root of 23944385 is about 4893.3000112399. The cubic root of 23944385 is about 288.2269342089.

The spelling of 23944385 in words is "twenty-three million, nine hundred forty-four thousand, three hundred eighty-five".

Divisors: 1 5 47 235 101891 509455 4788877 23944385