Search a number
-
+
23900687 is a prime number
BaseRepresentation
bin101101100101…
…1001000001111
31122222021120122
41123023020033
522104310222
62212135155
7410103206
oct133131017
948867518
1023900687
1112544a38
1280074bb
134c4aa25
14326223d
152171a42
hex16cb20f

23900687 has 2 divisors, whose sum is σ = 23900688. Its totient is φ = 23900686.

The previous prime is 23900677. The next prime is 23900713. The reversal of 23900687 is 78600932.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23900687 - 212 = 23896591 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23900627) 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 as a sum of consecutive naturals, namely, 11950343 + 11950344.

It is an arithmetic number, because the mean of its divisors is an integer number (11950344).

Almost surely, 223900687 is an apocalyptic number.

23900687 is a deficient number, since it is larger than the sum of its proper divisors (1).

23900687 is an equidigital number, since it uses as much as digits as its factorization.

23900687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 23900687 is about 4888.8328873055. The cubic root of 23900687 is about 288.0514914042.

The spelling of 23900687 in words is "twenty-three million, nine hundred thousand, six hundred eighty-seven".