Search a number
-
+
23234047 = 58739581
BaseRepresentation
bin101100010100…
…0010111111111
31121201102010021
41120220113333
521421442142
62145553011
7401325514
oct130502777
947642107
1023234047
111212a0a1
127945767
134a76475
14312b30b
15208e267
hex16285ff

23234047 has 4 divisors (see below), whose sum is σ = 23274216. Its totient is φ = 23193880.

The previous prime is 23234041. The next prime is 23234077. The reversal of 23234047 is 74043232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23234047 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 (23234041) 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, 19204 + ... + 20377.

It is an arithmetic number, because the mean of its divisors is an integer number (5818554).

Almost surely, 223234047 is an apocalyptic number.

23234047 is a deficient number, since it is larger than the sum of its proper divisors (40169).

23234047 is an equidigital number, since it uses as much as digits as its factorization.

23234047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40168.

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 23234047 is about 4820.1708475945. The cubic root of 23234047 is about 285.3480798866.

Adding to 23234047 its reverse (74043232), we get a palindrome (97277279).

The spelling of 23234047 in words is "twenty-three million, two hundred thirty-four thousand, forty-seven".

Divisors: 1 587 39581 23234047