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252733 = 1319441
BaseRepresentation
bin111101101100111101
3110211200111
4331230331
531041413
65230021
72101555
oct755475
9424614
10252733
11162978
12102311
138b060
1468165
154ed3d
hex3db3d

252733 has 4 divisors (see below), whose sum is σ = 272188. Its totient is φ = 233280.

The previous prime is 252731. The next prime is 252737. The reversal of 252733 is 337252.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 47524 + 205209 = 218^2 + 453^2 .

It is a cyclic number.

It is not a de Polignac number, because 252733 - 21 = 252731 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9708 + ... + 9733.

It is an arithmetic number, because the mean of its divisors is an integer number (68047).

2252733 is an apocalyptic number.

It is an amenable number.

252733 is a deficient number, since it is larger than the sum of its proper divisors (19455).

252733 is a wasteful number, since it uses less digits than its factorization.

252733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19454.

The product of its digits is 1260, while the sum is 22.

The square root of 252733 is about 502.7255712613. The cubic root of 252733 is about 63.2247786457.

Adding to 252733 its reverse (337252), we get a palindrome (589985).

The spelling of 252733 in words is "two hundred fifty-two thousand, seven hundred thirty-three".

Divisors: 1 13 19441 252733