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23797489 = 73325993
BaseRepresentation
bin101101011000…
…1111011110001
31122210001000111
41122301323301
522043004424
62210021321
7406163302
oct132617361
948701014
1023797489
1112484451
127b77841
134c12a71
1432367a9
152151194
hex16b1ef1

23797489 has 4 divisors (see below), whose sum is σ = 24123556. Its totient is φ = 23471424.

The previous prime is 23797483. The next prime is 23797523. The reversal of 23797489 is 98479732.

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 9486400 + 14311089 = 3080^2 + 3783^2 .

It is a cyclic number.

It is not a de Polignac number, because 23797489 - 25 = 23797457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23797483) 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, 162924 + ... + 163069.

It is an arithmetic number, because the mean of its divisors is an integer number (6030889).

Almost surely, 223797489 is an apocalyptic number.

It is an amenable number.

23797489 is a deficient number, since it is larger than the sum of its proper divisors (326067).

23797489 is an equidigital number, since it uses as much as digits as its factorization.

23797489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326066.

The product of its digits is 762048, while the sum is 49.

The square root of 23797489 is about 4878.2670078625. The cubic root of 23797489 is about 287.6363119200.

The spelling of 23797489 in words is "twenty-three million, seven hundred ninety-seven thousand, four hundred eighty-nine".

Divisors: 1 73 325993 23797489