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23464649 = 131804973
BaseRepresentation
bin101100110000…
…0101011001001
31122011010110002
41121200223021
522001332044
62154532345
7403306025
oct131405311
948133402
1023464649
111227737a
127a370b5
134b27410
14318b385
1520d774e
hex1660ac9

23464649 has 4 divisors (see below), whose sum is σ = 25269636. Its totient is φ = 21659664.

The previous prime is 23464633. The next prime is 23464667. The reversal of 23464649 is 94646432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3822025 + 19642624 = 1955^2 + 4432^2 .

It is not a de Polignac number, because 23464649 - 24 = 23464633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23464699) 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 3 ways as a sum of consecutive naturals, for example, 902474 + ... + 902499.

It is an arithmetic number, because the mean of its divisors is an integer number (6317409).

Almost surely, 223464649 is an apocalyptic number.

It is an amenable number.

23464649 is a deficient number, since it is larger than the sum of its proper divisors (1804987).

23464649 is a wasteful number, since it uses less digits than its factorization.

23464649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804986.

The product of its digits is 124416, while the sum is 38.

The square root of 23464649 is about 4844.0323079022. The cubic root of 23464649 is about 286.2890170114.

The spelling of 23464649 in words is "twenty-three million, four hundred sixty-four thousand, six hundred forty-nine".

Divisors: 1 13 1804973 23464649