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23465489 = 41572329
BaseRepresentation
bin101100110000…
…0111000010001
31122011011121012
41121200320101
522001343424
62154540305
7403311335
oct131407021
948134535
1023465489
1112277a73
127a37695
134b27908
14318b7c5
1520d7b0e
hex1660e11

23465489 has 4 divisors (see below), whose sum is σ = 24037860. Its totient is φ = 22893120.

The previous prime is 23465471. The next prime is 23465503. The reversal of 23465489 is 98456432.

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 12837889 + 10627600 = 3583^2 + 3260^2 .

It is a cyclic number.

It is not a de Polignac number, because 23465489 - 216 = 23399953 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 572329 = 23465489 / (2 + 3 + 4 + 6 + 5 + 4 + 8 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23465459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286124 + ... + 286205.

It is an arithmetic number, because the mean of its divisors is an integer number (6009465).

Almost surely, 223465489 is an apocalyptic number.

It is an amenable number.

23465489 is a deficient number, since it is larger than the sum of its proper divisors (572371).

23465489 is an equidigital number, since it uses as much as digits as its factorization.

23465489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572370.

The product of its digits is 207360, while the sum is 41.

The square root of 23465489 is about 4844.1190117502. The cubic root of 23465489 is about 286.2924332129.

The spelling of 23465489 in words is "twenty-three million, four hundred sixty-five thousand, four hundred eighty-nine".

Divisors: 1 41 572329 23465489