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252585 = 3351871
BaseRepresentation
bin111101101010101001
3110211111000
4331222221
531040320
65225213
72101254
oct755251
9424430
10252585
11162853
12102209
138ac78
146809b
154ec90
hex3daa9

252585 has 16 divisors (see below), whose sum is σ = 449280. Its totient is φ = 134640.

The previous prime is 252583. The next prime is 252589. The reversal of 252585 is 585252.

It is not a de Polignac number, because 252585 - 21 = 252583 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 252585.

It is not an unprimeable number, because it can be changed into a prime (252583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 801 + ... + 1070.

It is an arithmetic number, because the mean of its divisors is an integer number (28080).

2252585 is an apocalyptic number.

It is an amenable number.

252585 is a deficient number, since it is larger than the sum of its proper divisors (196695).

252585 is a wasteful number, since it uses less digits than its factorization.

252585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1885 (or 1879 counting only the distinct ones).

The product of its digits is 4000, while the sum is 27.

The square root of 252585 is about 502.5783521004. The cubic root of 252585 is about 63.2124347962.

The spelling of 252585 in words is "two hundred fifty-two thousand, five hundred eighty-five".

Divisors: 1 3 5 9 15 27 45 135 1871 5613 9355 16839 28065 50517 84195 252585