Base | Representation |
---|---|
bin | 11010111011110… |
… | …11111000110010 |
3 | 120202011111220000 |
4 | 31131323320302 |
5 | 430320420112 |
6 | 34230530430 |
7 | 5412361044 |
oct | 1535737062 |
9 | 522144800 |
10 | 225951282 |
11 | 1065a85a7 |
12 | 63806a16 |
13 | 37a724ab |
14 | 22019a94 |
15 | 14c837dc |
hex | d77be32 |
225951282 has 30 divisors (see below), whose sum is σ = 506727309. Its totient is φ = 75253320.
The previous prime is 225951277. The next prime is 225951293. The reversal of 225951282 is 282159522.
It can be written as a sum of positive squares in 2 ways, for example, as 175271121 + 50680161 = 13239^2 + 7119^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=10629.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 190732 + ... + 191912.
Almost surely, 2225951282 is an apocalyptic number.
225951282 is an abundant number, since it is smaller than the sum of its proper divisors (280776027).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
225951282 is an frugal number, since it uses more digits than its factorization.
225951282 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2376 (or 1186 counting only the distinct ones).
The product of its digits is 28800, while the sum is 36.
The square root of 225951282 is about 15031.6759544636. The cubic root of 225951282 is about 609.0761631552.
Multiplying 225951282 by its product of digits (28800), we get a square (6507396921600 = 25509602).
The spelling of 225951282 in words is "two hundred twenty-five million, nine hundred fifty-one thousand, two hundred eighty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •