Search a number
-
+
14919889 is a prime number
BaseRepresentation
bin111000111010…
…100011010001
31001002000020111
4320322203101
512304414024
61251441321
7240550135
oct70724321
931060214
1014919889
118470596
124bb6241
13312504a
141da53c5
15149aa94
hexe3a8d1

14919889 has 2 divisors, whose sum is σ = 14919890. Its totient is φ = 14919888.

The previous prime is 14919841. The next prime is 14919899. The reversal of 14919889 is 98891941.

14919889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11560000 + 3359889 = 3400^2 + 1833^2 .

It is a cyclic number.

It is not a de Polignac number, because 14919889 - 211 = 14917841 is a prime.

It is not a weakly prime, because it can be changed into another prime (14919899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7459944 + 7459945.

It is an arithmetic number, because the mean of its divisors is an integer number (7459945).

Almost surely, 214919889 is an apocalyptic number.

It is an amenable number.

14919889 is a deficient number, since it is larger than the sum of its proper divisors (1).

14919889 is an equidigital number, since it uses as much as digits as its factorization.

14919889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 49.

The square root of 14919889 is about 3862.6272147335. The cubic root of 14919889 is about 246.1813774620.

The spelling of 14919889 in words is "fourteen million, nine hundred nineteen thousand, eight hundred eighty-nine".