Base | Representation |
---|---|
bin | 11000000110111… |
… | …00111000100010 |
3 | 112002112102020021 |
4 | 30003130320202 |
5 | 403232400310 |
6 | 32022304054 |
7 | 5003636500 |
oct | 1403347042 |
9 | 462472207 |
10 | 202231330 |
11 | a4177434 |
12 | 5788802a |
13 | 32b88b12 |
14 | 1cc03670 |
15 | 12b4a5da |
hex | c0dce22 |
202231330 has 24 divisors (see below), whose sum is σ = 423448668. Its totient is φ = 69336288.
The previous prime is 202231301. The next prime is 202231331. The reversal of 202231330 is 33132202.
202231330 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 202123089 + 108241 = 14217^2 + 329^2 .
It is not an unprimeable number, because it can be changed into a prime (202231331) 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, 205869 + ... + 206848.
Almost surely, 2202231330 is an apocalyptic number.
202231330 is an abundant number, since it is smaller than the sum of its proper divisors (221217338).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
202231330 is a wasteful number, since it uses less digits than its factorization.
202231330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 412738 (or 412731 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 16.
The square root of 202231330 is about 14220.8062359347. The cubic root of 202231330 is about 586.9703256816.
Adding to 202231330 its reverse (33132202), we get a palindrome (235363532).
The spelling of 202231330 in words is "two hundred two million, two hundred thirty-one thousand, three hundred thirty".
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