Search a number
-
+
23880487 is a prime number
BaseRepresentation
bin101101100011…
…0001100100111
31122221020212111
41123012030213
522103133422
62211501451
7406660261
oct133061447
948836774
1023880487
1112530844
127bb7887
134c41787
143258b31
15216aa77
hex16c6327

23880487 has 2 divisors, whose sum is σ = 23880488. Its totient is φ = 23880486.

The previous prime is 23880443. The next prime is 23880497. The reversal of 23880487 is 78408832.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23880487 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 (23880497) 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, 11940243 + 11940244.

It is an arithmetic number, because the mean of its divisors is an integer number (11940244).

Almost surely, 223880487 is an apocalyptic number.

23880487 is a deficient number, since it is larger than the sum of its proper divisors (1).

23880487 is an equidigital number, since it uses as much as digits as its factorization.

23880487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86016, while the sum is 40.

The square root of 23880487 is about 4886.7665178521. The cubic root of 23880487 is about 287.9703182824.

The spelling of 23880487 in words is "twenty-three million, eight hundred eighty thousand, four hundred eighty-seven".