Base | Representation |
---|---|
bin | 10111110111110… |
… | …10100110010010 |
3 | 111221211001102211 |
4 | 23323322212102 |
5 | 402231142030 |
6 | 31512102334 |
7 | 4651101262 |
oct | 1373724622 |
9 | 457731384 |
10 | 200255890 |
11 | a304823a |
12 | 570949aa |
13 | 32646913 |
14 | 1c84b7a2 |
15 | 128aa12a |
hex | befa992 |
200255890 has 32 divisors (see below), whose sum is σ = 372723120. Its totient is φ = 77414400.
The previous prime is 200255789. The next prime is 200255893. The reversal of 200255890 is 98552002.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 80156209 + 120099681 = 8953^2 + 10959^2 .
It is not an unprimeable number, because it can be changed into a prime (200255893) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42450 + ... + 46930.
Almost surely, 2200255890 is an apocalyptic number.
200255890 is a deficient number, since it is larger than the sum of its proper divisors (172467230).
200255890 is a wasteful number, since it uses less digits than its factorization.
200255890 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4638.
The product of its (nonzero) digits is 7200, while the sum is 31.
The square root of 200255890 is about 14151.1798094717. The cubic root of 200255890 is about 585.0528503157.
The spelling of 200255890 in words is "two hundred million, two hundred fifty-five thousand, eight hundred ninety".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.093 sec. • engine limits •