Search a number
-
+
24021293 = 79304067
BaseRepresentation
bin101101110100…
…0100100101101
31200012102000112
41123220210231
522122140133
62214505405
7411114632
oct133504455
950172015
1024021293
111261760a
128065265
134c908aa
143294189
152197648
hex16e892d

24021293 has 4 divisors (see below), whose sum is σ = 24325440. Its totient is φ = 23717148.

The previous prime is 24021287. The next prime is 24021299. The reversal of 24021293 is 39212042.

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, and also an emirpimes, since its reverse is a distinct semiprime: 39212042 = 219606021.

It is an interprime number because it is at equal distance from previous prime (24021287) and next prime (24021299).

It is a cyclic number.

It is not a de Polignac number, because 24021293 - 26 = 24021229 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 (24021299) 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, 151955 + ... + 152112.

It is an arithmetic number, because the mean of its divisors is an integer number (6081360).

Almost surely, 224021293 is an apocalyptic number.

It is an amenable number.

24021293 is a deficient number, since it is larger than the sum of its proper divisors (304147).

24021293 is an equidigital number, since it uses as much as digits as its factorization.

24021293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304146.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 24021293 is about 4901.1522114703. The cubic root of 24021293 is about 288.5351939020.

The spelling of 24021293 in words is "twenty-four million, twenty-one thousand, two hundred ninety-three".

Divisors: 1 79 304067 24021293