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252585085 = 5191264487
BaseRepresentation
bin11110000111000…
…10010001111101
3122121021122121011
433003202101331
51004130210320
641021435221
76154636444
oct1703422175
9577248534
10252585085
1111a639a05
127070bb11
134043923c
142578dd5b
151729505a
hexf0e247d

252585085 has 8 divisors (see below), whose sum is σ = 304690176. Its totient is φ = 201009360.

The previous prime is 252585061. The next prime is 252585131. The reversal of 252585085 is 580585252.

It is a happy number.

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

It is not a de Polignac number, because 252585085 - 225 = 219030653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131289 + ... + 133198.

It is an arithmetic number, because the mean of its divisors is an integer number (38086272).

Almost surely, 2252585085 is an apocalyptic number.

It is an amenable number.

252585085 is a deficient number, since it is larger than the sum of its proper divisors (52105091).

252585085 is a wasteful number, since it uses less digits than its factorization.

252585085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264683.

The product of its (nonzero) digits is 160000, while the sum is 40.

The square root of 252585085 is about 15892.9256274608. The cubic root of 252585085 is about 632.1244188697.

The spelling of 252585085 in words is "two hundred fifty-two million, five hundred eighty-five thousand, eighty-five".

Divisors: 1 5 191 955 264487 1322435 50517017 252585085