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253265 = 5373
BaseRepresentation
bin111101110101010001
3110212102012
4331311101
531101030
65232305
72103245
oct756521
9425365
10253265
11163311
12102695
138b37c
1468425
1550095
hex3dd51

253265 has 8 divisors (see below), whose sum is σ = 312360. Its totient is φ = 197136.

The previous prime is 253247. The next prime is 253273. The reversal of 253265 is 562352.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 83521 + 169744 = 289^2 + 412^2 .

It is not a de Polignac number, because 253265 - 214 = 236881 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 253265.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 253265.

It is an unprimeable number.

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, 6827 + ... + 6863.

It is an arithmetic number, because the mean of its divisors is an integer number (39045).

253265 is a Friedman number, since it can be written as 5*(32+5)^(6/2), using all its digits and the basic arithmetic operations.

2253265 is an apocalyptic number.

It is an amenable number.

253265 is a deficient number, since it is larger than the sum of its proper divisors (59095).

253265 is an frugal number, since it uses more digits than its factorization.

253265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116 (or 42 counting only the distinct ones).

The product of its digits is 1800, while the sum is 23.

The square root of 253265 is about 503.2544088232. The cubic root of 253265 is about 63.2691100270.

The spelling of 253265 in words is "two hundred fifty-three thousand, two hundred sixty-five".

Divisors: 1 5 37 185 1369 6845 50653 253265