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225086 = 2112543
BaseRepresentation
bin110110111100111110
3102102202112
4312330332
524200321
64454022
71625141
oct667476
9372675
10225086
11144124
12aa312
137b5b4
145c058
1546a5b
hex36f3e

225086 has 4 divisors (see below), whose sum is σ = 337632. Its totient is φ = 112542.

The previous prime is 225079. The next prime is 225089. The reversal of 225086 is 680522.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 680522 = 2340261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225089) by changing a digit.

225086 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 56270 + ... + 56273.

It is an arithmetic number, because the mean of its divisors is an integer number (84408).

2225086 is an apocalyptic number.

225086 is a deficient number, since it is larger than the sum of its proper divisors (112546).

225086 is a wasteful number, since it uses less digits than its factorization.

225086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112545.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 225086 is about 474.4322923242. The cubic root of 225086 is about 60.8297681445.

The spelling of 225086 in words is "two hundred twenty-five thousand, eighty-six".

Divisors: 1 2 112543 225086