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23425625 = 54371013
BaseRepresentation
bin101100101011…
…1001001011001
31122002010220202
41121113021121
521444110000
62154031545
7403054166
oct131271131
948063822
1023425625
1112250023
127a185b5
134b12722
14317b06d
1520cadd5
hex1657259

23425625 has 20 divisors (see below), whose sum is σ = 30093492. Its totient is φ = 18216000.

The previous prime is 23425573. The next prime is 23425663. The reversal of 23425625 is 52652432.

It can be written as a sum of positive squares in 10 ways, for example, as 20539024 + 2886601 = 4532^2 + 1699^2 .

It is not a de Polignac number, because 23425625 - 224 = 6648409 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 22619 + ... + 23631.

Almost surely, 223425625 is an apocalyptic number.

23425625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23425625 is a deficient number, since it is larger than the sum of its proper divisors (6667867).

23425625 is an equidigital number, since it uses as much as digits as its factorization.

23425625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070 (or 1055 counting only the distinct ones).

The product of its digits is 14400, while the sum is 29.

The square root of 23425625 is about 4840.0025826439. The cubic root of 23425625 is about 286.1302200941.

It can be divided in two parts, 234256 and 25, that multiplied together give a square (5856400 = 24202).

The spelling of 23425625 in words is "twenty-three million, four hundred twenty-five thousand, six hundred twenty-five".

Divisors: 1 5 25 37 125 185 625 925 1013 4625 5065 23125 25325 37481 126625 187405 633125 937025 4685125 23425625