Search a number
-
+
152681 is a prime number
BaseRepresentation
bin100101010001101001
321202102212
4211101221
514341211
63134505
71204064
oct452151
9252385
10152681
11a4791
1274435
1354659
143d8db
153038b
hex25469

152681 has 2 divisors, whose sum is σ = 152682. Its totient is φ = 152680.

The previous prime is 152671. The next prime is 152717. The reversal of 152681 is 186251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144400 + 8281 = 380^2 + 91^2 .

It is a cyclic number.

It is not a de Polignac number, because 152681 - 26 = 152617 is a prime.

It is a super-2 number, since 2×1526812 = 46622975522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (152641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76340 + 76341.

It is an arithmetic number, because the mean of its divisors is an integer number (76341).

2152681 is an apocalyptic number.

It is an amenable number.

152681 is a deficient number, since it is larger than the sum of its proper divisors (1).

152681 is an equidigital number, since it uses as much as digits as its factorization.

152681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 480, while the sum is 23.

The square root of 152681 is about 390.7441618246. The cubic root of 152681 is about 53.4476151867.

The spelling of 152681 in words is "one hundred fifty-two thousand, six hundred eighty-one".