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23144211 = 34285731
BaseRepresentation
bin101100001001…
…0011100010011
31121112211220000
41120102130103
521411103321
62144021043
7400502556
oct130223423
947484800
1023144211
1112078652
127901783
134a445cc
14310669d
152072826
hex1612713

23144211 has 10 divisors (see below), whose sum is σ = 34573572. Its totient is φ = 15429420.

The previous prime is 23144201. The next prime is 23144227. The reversal of 23144211 is 11244132.

It is not a de Polignac number, because 23144211 - 29 = 23143699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23144201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 142785 + ... + 142946.

Almost surely, 223144211 is an apocalyptic number.

23144211 is a deficient number, since it is larger than the sum of its proper divisors (11429361).

23144211 is an equidigital number, since it uses as much as digits as its factorization.

23144211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285743 (or 285734 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 23144211 is about 4810.8430654096. The cubic root of 23144211 is about 284.9798323679.

Adding to 23144211 its reverse (11244132), we get a palindrome (34388343).

The spelling of 23144211 in words is "twenty-three million, one hundred forty-four thousand, two hundred eleven".

Divisors: 1 3 9 27 81 285731 857193 2571579 7714737 23144211