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252183 = 384061
BaseRepresentation
bin111101100100010111
3110210221010
4331210113
531032213
65223303
72100141
oct754427
9423833
10252183
11162518
12101b33
138aa29
1467c91
154eac3
hex3d917

252183 has 4 divisors (see below), whose sum is σ = 336248. Its totient is φ = 168120.

The previous prime is 252181. The next prime is 252193. The reversal of 252183 is 381252.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 252183 - 21 = 252181 is a prime.

It is a D-number.

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

It is a Duffinian number.

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 252183.

It is not an unprimeable number, because it can be changed into a prime (252181) 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 3 ways as a sum of consecutive naturals, for example, 42028 + ... + 42033.

It is an arithmetic number, because the mean of its divisors is an integer number (84062).

2252183 is an apocalyptic number.

252183 is a deficient number, since it is larger than the sum of its proper divisors (84065).

252183 is an equidigital number, since it uses as much as digits as its factorization.

252183 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84064.

The product of its digits is 480, while the sum is 21.

The square root of 252183 is about 502.1782552043. The cubic root of 252183 is about 63.1788818776.

It can be divided in two parts, 252 and 183, that added together give a triangular number (435 = T29).

The spelling of 252183 in words is "two hundred fifty-two thousand, one hundred eighty-three".

Divisors: 1 3 84061 252183