Base | Representation |
---|---|
bin | 11000001110011… |
… | …00100001001000 |
3 | 112011101021122200 |
4 | 30013030201020 |
5 | 404010302442 |
6 | 32055320200 |
7 | 5015165232 |
oct | 1407144110 |
9 | 464337580 |
10 | 203212872 |
11 | a4787925 |
12 | 58080060 |
13 | 33140805 |
14 | 1cdbb252 |
15 | 12c9134c |
hex | c1cc848 |
203212872 has 48 divisors (see below), whose sum is σ = 555260940. Its totient is φ = 67135488.
The previous prime is 203212859. The next prime is 203212901. The reversal of 203212872 is 278212302.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 128459556 + 74753316 = 11334^2 + 8646^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4353 + ... + 20624.
Almost surely, 2203212872 is an apocalyptic number.
It is an amenable number.
203212872 is an abundant number, since it is smaller than the sum of its proper divisors (352048068).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
203212872 is a wasteful number, since it uses less digits than its factorization.
203212872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25102 (or 25095 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 27.
The square root of 203212872 is about 14255.2752341019. The cubic root of 203212872 is about 587.9184254460.
It can be divided in two parts, 2032128 and 72, that multiplied together give a square (146313216 = 120962).
The spelling of 203212872 in words is "two hundred three million, two hundred twelve thousand, eight hundred seventy-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •