Search a number
-
+
225666895 = 5197693089
BaseRepresentation
bin11010111001101…
…10011101001111
3120201122001210011
431130312131033
5430232320040
634220454051
75410064656
oct1534663517
9521561704
10225666895
11106423973
12636aa327
13379a2c0c
1421d8419d
1514c293ea
hexd73674f

225666895 has 16 divisors (see below), whose sum is σ = 285516000. Its totient is φ = 170754048.

The previous prime is 225666853. The next prime is 225666913. The reversal of 225666895 is 598666522.

It is a cyclic number.

It is not a de Polignac number, because 225666895 - 27 = 225666767 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71511 + ... + 74599.

It is an arithmetic number, because the mean of its divisors is an integer number (17844750).

Almost surely, 2225666895 is an apocalyptic number.

225666895 is a deficient number, since it is larger than the sum of its proper divisors (59849105).

225666895 is a wasteful number, since it uses less digits than its factorization.

225666895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3882.

The product of its digits is 1555200, while the sum is 49.

The square root of 225666895 is about 15022.2133855168. The cubic root of 225666895 is about 608.8205238833.

The spelling of 225666895 in words is "two hundred twenty-five million, six hundred sixty-six thousand, eight hundred ninety-five".

Divisors: 1 5 19 95 769 3089 3845 14611 15445 58691 73055 293455 2375441 11877205 45133379 225666895