Base | Representation |
---|---|
bin | 11000000110101… |
… | …01101000011111 |
3 | 112002110220111022 |
4 | 30003111220133 |
5 | 403230423011 |
6 | 32021514355 |
7 | 5003454062 |
oct | 1403255037 |
9 | 462426438 |
10 | 202201631 |
11 | a4157095 |
12 | 578729bb |
13 | 32b78448 |
14 | 1cbd68d9 |
15 | 12b418db |
hex | c0d5a1f |
202201631 has 2 divisors, whose sum is σ = 202201632. Its totient is φ = 202201630.
The previous prime is 202201607. The next prime is 202201639. The reversal of 202201631 is 136102202.
202201631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-202201631 is a prime.
It is a super-2 number, since 2×2022016312 = 81770999158120322, which contains 22 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (202201639) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101100815 + 101100816.
It is an arithmetic number, because the mean of its divisors is an integer number (101100816).
Almost surely, 2202201631 is an apocalyptic number.
202201631 is a deficient number, since it is larger than the sum of its proper divisors (1).
202201631 is an equidigital number, since it uses as much as digits as its factorization.
202201631 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 202201631 is about 14219.7619881628. The cubic root of 202201631 is about 586.9415907915.
Adding to 202201631 its reverse (136102202), we get a palindrome (338303833).
The spelling of 202201631 in words is "two hundred two million, two hundred one thousand, six hundred thirty-one".
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