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24253 = 79307
BaseRepresentation
bin101111010111101
31020021021
411322331
51234003
6304141
7130465
oct57275
936237
1024253
1117249
1212051
13b068
148ba5
1572bd
hex5ebd

24253 has 4 divisors (see below), whose sum is σ = 24640. Its totient is φ = 23868.

The previous prime is 24251. The next prime is 24281. The reversal of 24253 is 35242.

24253 is nontrivially palindromic in base 2 and base 8.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 24253 - 21 = 24251 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 (24251) 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, 75 + ... + 232.

It is an arithmetic number, because the mean of its divisors is an integer number (6160).

224253 is an apocalyptic number.

It is an amenable number.

24253 is a deficient number, since it is larger than the sum of its proper divisors (387).

24253 is an equidigital number, since it uses as much as digits as its factorization.

24253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386.

The product of its digits is 240, while the sum is 16.

The square root of 24253 is about 155.7337471456. The cubic root of 24253 is about 28.9459954112.

Adding to 24253 its reverse (35242), we get a palindrome (59495).

The spelling of 24253 in words is "twenty-four thousand, two hundred fifty-three".

Divisors: 1 79 307 24253