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152081 is a prime number
BaseRepresentation
bin100101001000010001
321201121122
4211020101
514331311
63132025
71202246
oct451021
9251548
10152081
11a4296
1274015
13542b7
143d5cd
15300db
hex25211

152081 has 2 divisors, whose sum is σ = 152082. Its totient is φ = 152080.

The previous prime is 152077. The next prime is 152083. The reversal of 152081 is 180251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115600 + 36481 = 340^2 + 191^2 .

It is a cyclic number.

It is not a de Polignac number, because 152081 - 22 = 152077 is a prime.

It is a super-2 number, since 2×1520812 = 46257261122, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 152083, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (152083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76040 + 76041.

It is an arithmetic number, because the mean of its divisors is an integer number (76041).

2152081 is an apocalyptic number.

It is an amenable number.

152081 is a deficient number, since it is larger than the sum of its proper divisors (1).

152081 is an equidigital number, since it uses as much as digits as its factorization.

152081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 152081 is about 389.9756402649. The cubic root of 152081 is about 53.3775111390.

The spelling of 152081 in words is "one hundred fifty-two thousand, eighty-one".