Search a number
-
+
16255249 is a prime number
BaseRepresentation
bin111110000000…
…100100010001
31010120212000021
4332000210101
513130131444
61340223441
7255111253
oct76004421
933525007
1016255249
1191a289a
12553ab81
1334a1aba
142231cd3
151661584
hexf80911

16255249 has 2 divisors, whose sum is σ = 16255250. Its totient is φ = 16255248.

The previous prime is 16255223. The next prime is 16255271. The reversal of 16255249 is 94255261.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15563025 + 692224 = 3945^2 + 832^2 .

It is an emirp because it is prime and its reverse (94255261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16255249 - 27 = 16255121 is a prime.

It is not a weakly prime, because it can be changed into another prime (16255289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8127624 + 8127625.

It is an arithmetic number, because the mean of its divisors is an integer number (8127625).

Almost surely, 216255249 is an apocalyptic number.

It is an amenable number.

16255249 is a deficient number, since it is larger than the sum of its proper divisors (1).

16255249 is an equidigital number, since it uses as much as digits as its factorization.

16255249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 34.

The square root of 16255249 is about 4031.7798799042. The cubic root of 16255249 is about 253.3171201920.

The spelling of 16255249 in words is "sixteen million, two hundred fifty-five thousand, two hundred forty-nine".