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23250005 = 56769403
BaseRepresentation
bin101100010110…
…0010001010101
31121202020000022
41120230101111
521423000010
62150154525
7401423162
oct130542125
947666008
1023250005
1112140089
127952a45
134a807cc
143133069
152093d55
hex162c455

23250005 has 8 divisors (see below), whose sum is σ = 28316832. Its totient is φ = 18322128.

The previous prime is 23250001. The next prime is 23250037. The reversal of 23250005 is 50005232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23250005 - 22 = 23250001 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23250001) 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 7 ways as a sum of consecutive naturals, for example, 34367 + ... + 35036.

It is an arithmetic number, because the mean of its divisors is an integer number (3539604).

Almost surely, 223250005 is an apocalyptic number.

It is an amenable number.

23250005 is a deficient number, since it is larger than the sum of its proper divisors (5066827).

23250005 is an equidigital number, since it uses as much as digits as its factorization.

23250005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69475.

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 23250005 is about 4821.8258989723. The cubic root of 23250005 is about 285.4133941290.

Adding to 23250005 its reverse (50005232), we get a palindrome (73255237).

The spelling of 23250005 in words is "twenty-three million, two hundred fifty thousand, five".

Divisors: 1 5 67 335 69403 347015 4650001 23250005