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156025 = 52792
BaseRepresentation
bin100110000101111001
321221000201
4212011321
514443100
63202201
71216612
oct460571
9257021
10156025
11a7251
1276361
135602c
1440c09
153136a
hex26179

156025 has 9 divisors (see below), whose sum is σ = 195951. Its totient is φ = 123240.

The previous prime is 156019. The next prime is 156041. The reversal of 156025 is 520651.

It is a happy number.

The square root of 156025 is 395.

It is a perfect power (a square), and thus also a powerful number.

156025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 56169 + 99856 = 237^2 + 316^2 .

It is not a de Polignac number, because 156025 - 217 = 24953 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 155993 and 156011.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1936 + ... + 2014.

2156025 is an apocalyptic number.

156025 is the 395-th square number.

156025 is the 198-th centered octagonal number.

It is an amenable number.

156025 is a deficient number, since it is larger than the sum of its proper divisors (39926).

156025 is an frugal number, since it uses more digits than its factorization.

156025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The cubic root of 156025 is about 53.8350016150.

The spelling of 156025 in words is "one hundred fifty-six thousand, twenty-five".

Divisors: 1 5 25 79 395 1975 6241 31205 156025