Base | Representation |
---|---|
bin | 11010111100000… |
… | …11000110000010 |
3 | 120202020000101100 |
4 | 31132003012002 |
5 | 430322341202 |
6 | 34231315230 |
7 | 5412543105 |
oct | 1536030602 |
9 | 522200340 |
10 | 225980802 |
11 | 1066187a3 |
12 | 6381bb16 |
13 | 37a82a68 |
14 | 2202673c |
15 | 14c8c41c |
hex | d783182 |
225980802 has 24 divisors (see below), whose sum is σ = 490733100. Its totient is φ = 75156480.
The previous prime is 225980801. The next prime is 225980809. The reversal of 225980802 is 208089522.
It can be written as a sum of positive squares in 2 ways, for example, as 224370441 + 1610361 = 14979^2 + 1269^2 .
It is not an unprimeable number, because it can be changed into a prime (225980801) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5899 + ... + 22062.
Almost surely, 2225980802 is an apocalyptic number.
225980802 is an abundant number, since it is smaller than the sum of its proper divisors (264752298).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
225980802 is a wasteful number, since it uses less digits than its factorization.
225980802 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28418 (or 28415 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 36.
The square root of 225980802 is about 15032.6578488303. The cubic root of 225980802 is about 609.1026867863.
The spelling of 225980802 in words is "two hundred twenty-five million, nine hundred eighty thousand, eight hundred two".
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