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25230417 = 38410139
BaseRepresentation
bin110000000111…
…1110001010001
31202110211121220
41200033301101
522424333132
62300435253
7424312032
oct140176121
952424556
1025230417
1113272a93
128548b29
1352c5054
1434caa89
152335a2c
hex180fc51

25230417 has 4 divisors (see below), whose sum is σ = 33640560. Its totient is φ = 16820276.

The previous prime is 25230407. The next prime is 25230419. The reversal of 25230417 is 71403252.

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 25230417 - 26 = 25230353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25230419) 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 3 ways as a sum of consecutive naturals, for example, 4205067 + ... + 4205072.

It is an arithmetic number, because the mean of its divisors is an integer number (8410140).

Almost surely, 225230417 is an apocalyptic number.

It is an amenable number.

25230417 is a deficient number, since it is larger than the sum of its proper divisors (8410143).

25230417 is an equidigital number, since it uses as much as digits as its factorization.

25230417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8410142.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 25230417 is about 5022.9888512717. The cubic root of 25230417 is about 293.2973525369.

Adding to 25230417 its reverse (71403252), we get a palindrome (96633669).

The spelling of 25230417 in words is "twenty-five million, two hundred thirty thousand, four hundred seventeen".

Divisors: 1 3 8410139 25230417