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23825001 = 37941667
BaseRepresentation
bin101101011100…
…0101001101001
31122211102202110
41122320221221
522044400001
62210352533
7406336434
oct132705151
948742673
1023825001
11124a3092
127b8b749
134c22445
14324281b
1521593d6
hex16b8a69

23825001 has 4 divisors (see below), whose sum is σ = 31766672. Its totient is φ = 15883332.

The previous prime is 23824963. The next prime is 23825051. The reversal of 23825001 is 10052832.

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 de Polignac number, because none of the positive numbers 2k-23825001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23825051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3970831 + ... + 3970836.

It is an arithmetic number, because the mean of its divisors is an integer number (7941668).

Almost surely, 223825001 is an apocalyptic number.

It is an amenable number.

23825001 is a deficient number, since it is larger than the sum of its proper divisors (7941671).

23825001 is an equidigital number, since it uses as much as digits as its factorization.

23825001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7941670.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 23825001 is about 4881.0860471825. The cubic root of 23825001 is about 287.7471135627.

Adding to 23825001 its reverse (10052832), we get a palindrome (33877833).

The spelling of 23825001 in words is "twenty-three million, eight hundred twenty-five thousand, one".

Divisors: 1 3 7941667 23825001