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23229385 = 531149867
BaseRepresentation
bin101100010011…
…1001111001001
31121201011201121
41120213033021
521421320020
62145515241
7401306104
oct130471711
947634647
1023229385
1112126643
127942b21
134a742ca
14312973b
15208cbaa
hex16273c9

23229385 has 8 divisors (see below), whose sum is σ = 28774656. Its totient is φ = 17983920.

The previous prime is 23229383. The next prime is 23229389. The reversal of 23229385 is 58392232.

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

It is not a de Polignac number, because 23229385 - 21 = 23229383 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23229385.

It is not an unprimeable number, because it can be changed into a prime (23229383) 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, 74779 + ... + 75088.

It is an arithmetic number, because the mean of its divisors is an integer number (3596832).

Almost surely, 223229385 is an apocalyptic number.

It is an amenable number.

23229385 is a deficient number, since it is larger than the sum of its proper divisors (5545271).

23229385 is a wasteful number, since it uses less digits than its factorization.

23229385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149903.

The product of its digits is 25920, while the sum is 34.

The square root of 23229385 is about 4819.6872305161. The cubic root of 23229385 is about 285.3289932170.

The spelling of 23229385 in words is "twenty-three million, two hundred twenty-nine thousand, three hundred eighty-five".

Divisors: 1 5 31 155 149867 749335 4645877 23229385