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253163 = 383661
BaseRepresentation
bin111101110011101011
3110212021102
4331303223
531100123
65232015
72103041
oct756353
9425242
10253163
11163229
1210260b
138b301
1468391
1550028
hex3dceb

253163 has 4 divisors (see below), whose sum is σ = 254208. Its totient is φ = 252120.

The previous prime is 253159. The next prime is 253229. The reversal of 253163 is 361352.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 253163 - 22 = 253159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253103) 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, 53 + ... + 713.

It is an arithmetic number, because the mean of its divisors is an integer number (63552).

2253163 is an apocalyptic number.

253163 is a deficient number, since it is larger than the sum of its proper divisors (1045).

253163 is an equidigital number, since it uses as much as digits as its factorization.

253163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044.

The product of its digits is 540, while the sum is 20.

The square root of 253163 is about 503.1530582238. The cubic root of 253163 is about 63.2606152149.

The spelling of 253163 in words is "two hundred fifty-three thousand, one hundred sixty-three".

Divisors: 1 383 661 253163