Search a number
-
+
23190039 = 3212372083
BaseRepresentation
bin101100001110…
…1101000010111
31121122011202100
41120131220113
521414040124
62145013143
7401053305
oct130355027
947564670
1023190039
11120aa024
1279241b3
134a5c422
143119275
1520811c9
hex161da17

23190039 has 12 divisors (see below), whose sum is σ = 33539896. Its totient is φ = 15440112.

The previous prime is 23190017. The next prime is 23190043. The reversal of 23190039 is 93009132.

It is not a de Polignac number, because 23190039 - 29 = 23189527 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23189994 and 23190021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23190059) 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 11 ways as a sum of consecutive naturals, for example, 10092 + ... + 12174.

Almost surely, 223190039 is an apocalyptic number.

23190039 is a deficient number, since it is larger than the sum of its proper divisors (10349857).

23190039 is a wasteful number, since it uses less digits than its factorization.

23190039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3326 (or 3323 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The square root of 23190039 is about 4815.6037004720. The cubic root of 23190039 is about 285.1678051491.

The spelling of 23190039 in words is "twenty-three million, one hundred ninety thousand, thirty-nine".

Divisors: 1 3 9 1237 2083 3711 6249 11133 18747 2576671 7730013 23190039