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12025425 = 3521091471
BaseRepresentation
bin101101110111…
…111001010001
3211121221210010
4231313321101
511034303200
61105425133
7204133356
oct55677121
924557703
1012025425
116873975
12403b1a9
132650749
14185062d
1510c8150
hexb77e51

12025425 has 24 divisors (see below), whose sum is σ = 20078080. Its totient is φ = 6350400.

The previous prime is 12025421. The next prime is 12025441. The reversal of 12025425 is 52452021.

It is a happy number.

It is not a de Polignac number, because 12025425 - 22 = 12025421 is a prime.

It is a super-2 number, since 2×120254252 = 289221692861250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12025421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7440 + ... + 8910.

Almost surely, 212025425 is an apocalyptic number.

12025425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12025425 is a deficient number, since it is larger than the sum of its proper divisors (8052655).

12025425 is a wasteful number, since it uses less digits than its factorization.

12025425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1593 (or 1588 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 12025425 is about 3467.7694560048. The cubic root of 12025425 is about 229.1044253375.

Adding to 12025425 its reverse (52452021), we get a palindrome (64477446).

The spelling of 12025425 in words is "twelve million, twenty-five thousand, four hundred twenty-five".

Divisors: 1 3 5 15 25 75 109 327 545 1471 1635 2725 4413 7355 8175 22065 36775 110325 160339 481017 801695 2405085 4008475 12025425