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23252005 = 571739079
BaseRepresentation
bin101100010110…
…0110000100101
31121202022202101
41120230300211
521423031010
62150212101
7401432050
oct130546045
947668671
1023252005
1112141637
127954031
134a816aa
143133a97
15209473a
hex162cc25

23252005 has 16 divisors (see below), whose sum is σ = 33765120. Its totient is φ = 15005952.

The previous prime is 23251993. The next prime is 23252027. The reversal of 23252005 is 50025232.

It is a cyclic number.

It is not a de Polignac number, because 23252005 - 211 = 23249957 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 18945 + ... + 20134.

It is an arithmetic number, because the mean of its divisors is an integer number (2110320).

Almost surely, 223252005 is an apocalyptic number.

It is an amenable number.

23252005 is a deficient number, since it is larger than the sum of its proper divisors (10513115).

23252005 is a wasteful number, since it uses less digits than its factorization.

23252005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39108.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 23252005 is about 4822.0332848291. The cubic root of 23252005 is about 285.4215777892.

Adding to 23252005 its reverse (50025232), we get a palindrome (73277237).

The spelling of 23252005 in words is "twenty-three million, two hundred fifty-two thousand, five".

Divisors: 1 5 7 17 35 85 119 595 39079 195395 273553 664343 1367765 3321715 4650401 23252005