Search a number
-
+
253393 = 753683
BaseRepresentation
bin111101110111010001
3110212120221
4331313101
531102033
65233041
72103520
oct756721
9425527
10253393
11163418
12102781
138b44a
14684b7
155012d
hex3ddd1

253393 has 8 divisors (see below), whose sum is σ = 295488. Its totient is φ = 212784.

The previous prime is 253387. The next prime is 253417. The reversal of 253393 is 393352.

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

It is a cyclic number.

It is not a de Polignac number, because 253393 - 25 = 253361 is a prime.

It is a Duffinian number.

253393 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (253343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30 + ... + 712.

It is an arithmetic number, because the mean of its divisors is an integer number (36936).

2253393 is an apocalyptic number.

It is an amenable number.

253393 is a deficient number, since it is larger than the sum of its proper divisors (42095).

253393 is an equidigital number, since it uses as much as digits as its factorization.

253393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743.

The product of its digits is 2430, while the sum is 25.

The square root of 253393 is about 503.3815650180. The cubic root of 253393 is about 63.2797669571.

It can be divided in two parts, 253 and 393, that added together give a palindrome (646).

The spelling of 253393 in words is "two hundred fifty-three thousand, three hundred ninety-three".

Divisors: 1 7 53 371 683 4781 36199 253393