Search a number
-
+
23497249 = 68334403
BaseRepresentation
bin101100110100…
…0101000100001
31122012210011111
41121220220201
522003402444
62155343321
7403503046
oct131505041
948183144
1023497249
1112299916
127a51b41
134b391c9
1431991cd
1520e2234
hex1668a21

23497249 has 4 divisors (see below), whose sum is σ = 23532336. Its totient is φ = 23462164.

The previous prime is 23497241. The next prime is 23497267. The reversal of 23497249 is 94279432.

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 23497249 - 23 = 23497241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23497241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16519 + ... + 17884.

It is an arithmetic number, because the mean of its divisors is an integer number (5883084).

Almost surely, 223497249 is an apocalyptic number.

It is an amenable number.

23497249 is a deficient number, since it is larger than the sum of its proper divisors (35087).

23497249 is an equidigital number, since it uses as much as digits as its factorization.

23497249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35086.

The product of its digits is 108864, while the sum is 40.

The square root of 23497249 is about 4847.3961051270. The cubic root of 23497249 is about 286.4215383927.

The spelling of 23497249 in words is "twenty-three million, four hundred ninety-seven thousand, two hundred forty-nine".

Divisors: 1 683 34403 23497249