Search a number
-
+
152517139 is a prime number
BaseRepresentation
bin10010001011100…
…11101000010011
3101121222200011221
421011303220103
5303021022024
623044545511
73531242245
oct1105635023
9347880157
10152517139
1179101425
12430b2297
13257a0838
1416382095
15d5ca3e4
hex9173a13

152517139 has 2 divisors, whose sum is σ = 152517140. Its totient is φ = 152517138.

The previous prime is 152517137. The next prime is 152517181. The reversal of 152517139 is 931715251.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 152517139 - 21 = 152517137 is a prime.

It is a super-2 number, since 2×1525171392 = 46522955377490642, which contains 22 as substring.

Together with 152517137, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (152517137) 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, 76258569 + 76258570.

It is an arithmetic number, because the mean of its divisors is an integer number (76258570).

Almost surely, 2152517139 is an apocalyptic number.

152517139 is a deficient number, since it is larger than the sum of its proper divisors (1).

152517139 is an equidigital number, since it uses as much as digits as its factorization.

152517139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9450, while the sum is 34.

The square root of 152517139 is about 12349.7829535583. The cubic root of 152517139 is about 534.2848791127.

The spelling of 152517139 in words is "one hundred fifty-two million, five hundred seventeen thousand, one hundred thirty-nine".