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252255625 = 541732333
BaseRepresentation
bin11110000100100…
…01110110001001
3122120122220122221
433002101312021
51004034140000
641010414041
76152065066
oct1702216611
9576586587
10252255625
1111a434426
1270591321
13403522ab
1425705c6d
151722c61a
hexf091d89

252255625 has 20 divisors (see below), whose sum is σ = 317176596. Its totient is φ = 200552000.

The previous prime is 252255613. The next prime is 252255629. The reversal of 252255625 is 526552252.

It can be written as a sum of positive squares in 10 ways, for example, as 157076089 + 95179536 = 12533^2 + 9756^2 .

It is not a de Polignac number, because 252255625 - 225 = 218701193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252255629) 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 19 ways as a sum of consecutive naturals, for example, 106959 + ... + 109291.

Almost surely, 2252255625 is an apocalyptic number.

252255625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

252255625 is a deficient number, since it is larger than the sum of its proper divisors (64920971).

252255625 is an equidigital number, since it uses as much as digits as its factorization.

252255625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2526 (or 2511 counting only the distinct ones).

The product of its digits is 60000, while the sum is 34.

The square root of 252255625 is about 15882.5572563111. The cubic root of 252255625 is about 631.8494615885.

The spelling of 252255625 in words is "two hundred fifty-two million, two hundred fifty-five thousand, six hundred twenty-five".

Divisors: 1 5 25 125 173 625 865 2333 4325 11665 21625 58325 108125 291625 403609 1458125 2018045 10090225 50451125 252255625