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252525065 = 5133885001
BaseRepresentation
bin11110000110100…
…11101000001001
3122121011121021012
433003103220021
51004121300230
641020253305
76154266452
oct1703235011
9577147235
10252525065
1111a5a8901
12706a1235
1340417b20
1425776129
1517282395
hexf0d3a09

252525065 has 8 divisors (see below), whose sum is σ = 326340168. Its totient is φ = 186480000.

The previous prime is 252525059. The next prime is 252525071. The reversal of 252525065 is 560525252.

It is an interprime number because it is at equal distance from previous prime (252525059) and next prime (252525071).

It can be written as a sum of positive squares in 4 ways, for example, as 12306064 + 240219001 = 3508^2 + 15499^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 252525065 - 224 = 235747849 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 1942436 + ... + 1942565.

It is an arithmetic number, because the mean of its divisors is an integer number (40792521).

Almost surely, 2252525065 is an apocalyptic number.

It is an amenable number.

252525065 is a deficient number, since it is larger than the sum of its proper divisors (73815103).

252525065 is a wasteful number, since it uses less digits than its factorization.

252525065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3885019.

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 252525065 is about 15891.0372537478. The cubic root of 252525065 is about 632.0743458245.

The spelling of 252525065 in words is "two hundred fifty-two million, five hundred twenty-five thousand, sixty-five".

Divisors: 1 5 13 65 3885001 19425005 50505013 252525065