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225190 = 2573217
BaseRepresentation
bin110110111110100110
3102102220101
4312332212
524201230
64454314
71625350
oct667646
9372811
10225190
11144209
12aa39a
137b664
145c0d0
1546aca
hex36fa6

225190 has 16 divisors (see below), whose sum is σ = 463392. Its totient is φ = 77184.

The previous prime is 225167. The next prime is 225217. The reversal of 225190 is 91522.

225190 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2251902 = 101421072200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

225190 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1539 + ... + 1678.

It is an arithmetic number, because the mean of its divisors is an integer number (28962).

2225190 is an apocalyptic number.

225190 is an abundant number, since it is smaller than the sum of its proper divisors (238202).

It is a weird number, because it is abundant, but not a pseudoperfect number.

225190 is a wasteful number, since it uses less digits than its factorization.

225190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3231.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 225190 is about 474.5418843474. The cubic root of 225190 is about 60.8391354112.

The spelling of 225190 in words is "two hundred twenty-five thousand, one hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 3217 6434 16085 22519 32170 45038 112595 225190