Base | Representation |
---|---|
bin | 10111111000000… |
… | …11001110001100 |
3 | 111221212211220001 |
4 | 23330003032030 |
5 | 402233304322 |
6 | 31512534044 |
7 | 4651306252 |
oct | 1374031614 |
9 | 457784801 |
10 | 200291212 |
11 | a3071830 |
12 | 570b1324 |
13 | 32659a14 |
14 | 1c85a5d2 |
15 | 128b5827 |
hex | bf0338c |
200291212 has 48 divisors (see below), whose sum is σ = 415866528. Its totient is φ = 83358720.
The previous prime is 200291177. The next prime is 200291219. The reversal of 200291212 is 212192002.
200291212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 200291212.
It is not an unprimeable number, because it can be changed into a prime (200291219) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24058 + ... + 31294.
It is an arithmetic number, because the mean of its divisors is an integer number (8663886).
Almost surely, 2200291212 is an apocalyptic number.
200291212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
200291212 is an abundant number, since it is smaller than the sum of its proper divisors (215575316).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
200291212 is a wasteful number, since it uses less digits than its factorization.
200291212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7306 (or 7304 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 19.
The square root of 200291212 is about 14152.4277775935. The cubic root of 200291212 is about 585.0872463442.
The spelling of 200291212 in words is "two hundred million, two hundred ninety-one thousand, two hundred twelve".
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