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23008641 = 37669547
BaseRepresentation
bin101011111000…
…1010110000001
31121021221220220
41113301112001
521342234031
62141053253
7366366405
oct127612601
947257826
1023008641
1111a95807
127857229
1349c79a6
1430ad105
152047596
hex15f1581

23008641 has 4 divisors (see below), whose sum is σ = 30678192. Its totient is φ = 15339092.

The previous prime is 23008637. The next prime is 23008649. The reversal of 23008641 is 14680032.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23008641 - 22 = 23008637 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23008649) 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, 3834771 + ... + 3834776.

It is an arithmetic number, because the mean of its divisors is an integer number (7669548).

Almost surely, 223008641 is an apocalyptic number.

It is an amenable number.

23008641 is a deficient number, since it is larger than the sum of its proper divisors (7669551).

23008641 is an equidigital number, since it uses as much as digits as its factorization.

23008641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7669550.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 23008641 is about 4796.7323252398. The cubic root of 23008641 is about 284.4223078080.

Adding to 23008641 its reverse (14680032), we get a palindrome (37688673).

The spelling of 23008641 in words is "twenty-three million, eight thousand, six hundred forty-one".

Divisors: 1 3 7669547 23008641