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252146 = 2139907
BaseRepresentation
bin111101100011110010
3110210212202
4331203302
531032041
65223202
72100056
oct754362
9423782
10252146
11162494
12101b02
138a9cb
1467c66
154ea9b
hex3d8f2

252146 has 8 divisors (see below), whose sum is σ = 381360. Its totient is φ = 125028.

The previous prime is 252143. The next prime is 252151. The reversal of 252146 is 641252.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (252143) 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, 176 + ... + 731.

It is an arithmetic number, because the mean of its divisors is an integer number (47670).

2252146 is an apocalyptic number.

252146 is a deficient number, since it is larger than the sum of its proper divisors (129214).

252146 is a wasteful number, since it uses less digits than its factorization.

252146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048.

The product of its digits is 480, while the sum is 20.

The square root of 252146 is about 502.1414143446. The cubic root of 252146 is about 63.1757918822.

Adding to 252146 its reverse (641252), we get a palindrome (893398).

The spelling of 252146 in words is "two hundred fifty-two thousand, one hundred forty-six".

Divisors: 1 2 139 278 907 1814 126073 252146