Search a number
BaseRepresentation
bin11010111100001…
…11101001111110
3120202020222000100
431132013221332
5430323440421
634231541530
75412651426
oct1536075176
9522228010
10225999486
11106630839
126382a8a6
1337a8b40b
142202d486
1514c92c26
hexd787a7e

225999486 has 48 divisors (see below), whose sum is σ = 517271040. Its totient is φ = 71200080.

The previous prime is 225999469. The next prime is 225999539. The reversal of 225999486 is 684999522.

It is a happy number.

225999486 is a `hidden beast` number, since 2 + 2 + 599 + 9 + 48 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19285 + ... + 28703.

It is an arithmetic number, because the mean of its divisors is an integer number (10776480).

Almost surely, 2225999486 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225999486, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258635520).

225999486 is an abundant number, since it is smaller than the sum of its proper divisors (291271554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225999486 is a wasteful number, since it uses less digits than its factorization.

225999486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9501 (or 9498 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 54.

The square root of 225999486 is about 15033.2792829775. The cubic root of 225999486 is about 609.1194731104.

The spelling of 225999486 in words is "two hundred twenty-five million, nine hundred ninety-nine thousand, four hundred eighty-six".