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23242005 = 3351071609
BaseRepresentation
bin101100010101…
…0010100010101
31121201211001000
41120222110111
521422221010
62150053513
7401360643
oct130522425
947654030
1023242005
1112135076
12794a299
134a79c87
143130193
1520917c0
hex162a515

23242005 has 32 divisors (see below), whose sum is σ = 41731200. Its totient is φ = 12272256.

The previous prime is 23242001. The next prime is 23242027. The reversal of 23242005 is 50024232.

It is not a de Polignac number, because 23242005 - 22 = 23242001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23242001) 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 31 ways as a sum of consecutive naturals, for example, 13641 + ... + 15249.

It is an arithmetic number, because the mean of its divisors is an integer number (1304100).

Almost surely, 223242005 is an apocalyptic number.

It is an amenable number.

23242005 is a deficient number, since it is larger than the sum of its proper divisors (18489195).

23242005 is a wasteful number, since it uses less digits than its factorization.

23242005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1730 (or 1724 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 23242005 is about 4820.9962663333. The cubic root of 23242005 is about 285.3806547943.

Adding to 23242005 its reverse (50024232), we get a palindrome (73266237).

The spelling of 23242005 in words is "twenty-three million, two hundred forty-two thousand, five".

Divisors: 1 3 5 9 15 27 45 107 135 321 535 963 1605 1609 2889 4815 4827 8045 14445 14481 24135 43443 72405 172163 217215 516489 860815 1549467 2582445 4648401 7747335 23242005