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252249 = 3471789
BaseRepresentation
bin111101100101011001
3110211000120
4331211121
531032444
65223453
72100264
oct754531
9424016
10252249
11162578
12101b89
138aa7a
1467cdb
154eb19
hex3d959

252249 has 8 divisors (see below), whose sum is σ = 343680. Its totient is φ = 164496.

The previous prime is 252233. The next prime is 252253. The reversal of 252249 is 942252.

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

It is not a de Polignac number, because 252249 - 24 = 252233 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252209) 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 7 ways as a sum of consecutive naturals, for example, 754 + ... + 1035.

It is an arithmetic number, because the mean of its divisors is an integer number (42960).

2252249 is an apocalyptic number.

It is an amenable number.

252249 is a deficient number, since it is larger than the sum of its proper divisors (91431).

252249 is a wasteful number, since it uses less digits than its factorization.

252249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1839.

The product of its digits is 1440, while the sum is 24.

The square root of 252249 is about 502.2439646228. The cubic root of 252249 is about 63.1843930111.

The spelling of 252249 in words is "two hundred fifty-two thousand, two hundred forty-nine".

Divisors: 1 3 47 141 1789 5367 84083 252249