Search a number
-
+
152663549 is a prime number
BaseRepresentation
bin10010001100101…
…11010111111101
3101122021010000112
421012113113331
5303040213144
623052035405
73532422143
oct1106272775
9348233015
10152663549
11791a1425
1243162b65
132582237c
14163bd593
15d60899e
hex91975fd

152663549 has 2 divisors, whose sum is σ = 152663550. Its totient is φ = 152663548.

The previous prime is 152663543. The next prime is 152663557. The reversal of 152663549 is 945366251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147744025 + 4919524 = 12155^2 + 2218^2 .

It is a cyclic number.

It is not a de Polignac number, because 152663549 - 28 = 152663293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152663543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76331774 + 76331775.

It is an arithmetic number, because the mean of its divisors is an integer number (76331775).

Almost surely, 2152663549 is an apocalyptic number.

It is an amenable number.

152663549 is a deficient number, since it is larger than the sum of its proper divisors (1).

152663549 is an equidigital number, since it uses as much as digits as its factorization.

152663549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 194400, while the sum is 41.

The square root of 152663549 is about 12355.7091662114. The cubic root of 152663549 is about 534.4557880615.

The spelling of 152663549 in words is "one hundred fifty-two million, six hundred sixty-three thousand, five hundred forty-nine".