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152089 = 721727
BaseRepresentation
bin100101001000011001
321201121221
4211020121
514331324
63132041
71202260
oct451031
9251557
10152089
11a42a3
1274021
13542c2
143d5d7
15300e4
hex25219

152089 has 4 divisors (see below), whose sum is σ = 173824. Its totient is φ = 130356.

The previous prime is 152083. The next prime is 152093. The reversal of 152089 is 980251.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 152089 - 23 = 152081 is a prime.

152089 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (152081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10857 + ... + 10870.

It is an arithmetic number, because the mean of its divisors is an integer number (43456).

2152089 is an apocalyptic number.

It is an amenable number.

152089 is a deficient number, since it is larger than the sum of its proper divisors (21735).

152089 is an equidigital number, since it uses as much as digits as its factorization.

152089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21734.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 152089 is about 389.9858971809. The cubic root of 152089 is about 53.3784470714.

The spelling of 152089 in words is "one hundred fifty-two thousand, eighty-nine".

Divisors: 1 7 21727 152089