Search a number
-
+
23090267 = 171358251
BaseRepresentation
bin101100000010…
…1010001011011
31121110002220002
41120011101123
521402342032
62142523215
7400156364
oct130052133
947402802
1023090267
1112041072
12789650b
134a25ba5
1430d0b6b
152061862
hex160545b

23090267 has 4 divisors (see below), whose sum is σ = 24448536. Its totient is φ = 21732000.

The previous prime is 23090261. The next prime is 23090281. The reversal of 23090267 is 76209032.

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

It is a cyclic number.

It is not a de Polignac number, because 23090267 - 212 = 23086171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23090261) 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, 679109 + ... + 679142.

It is an arithmetic number, because the mean of its divisors is an integer number (6112134).

Almost surely, 223090267 is an apocalyptic number.

23090267 is a deficient number, since it is larger than the sum of its proper divisors (1358269).

23090267 is a wasteful number, since it uses less digits than its factorization.

23090267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358268.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 23090267 is about 4805.2332929838. The cubic root of 23090267 is about 284.7582519590.

Adding to 23090267 its reverse (76209032), we get a palindrome (99299299).

The spelling of 23090267 in words is "twenty-three million, ninety thousand, two hundred sixty-seven".

Divisors: 1 17 1358251 23090267