Base | Representation |
---|---|
bin | 11000000110101… |
… | …01001001001111 |
3 | 112002110210202020 |
4 | 30003111021033 |
5 | 403230342011 |
6 | 32021501223 |
7 | 5003445204 |
oct | 1403251117 |
9 | 462423666 |
10 | 202199631 |
11 | a4155637 |
12 | 57871813 |
13 | 32b7756a |
14 | 1cbd5cab |
15 | 12b41006 |
hex | c0d524f |
202199631 has 16 divisors (see below), whose sum is σ = 279375360. Its totient is φ = 129991680.
The previous prime is 202199617. The next prime is 202199651. The reversal of 202199631 is 136991202.
It is not a de Polignac number, because 202199631 - 218 = 201937487 is a prime.
It is a super-2 number, since 2×2021996312 = 81769381553072322, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 202199592 and 202199601.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (202199651) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 271 + ... + 20111.
It is an arithmetic number, because the mean of its divisors is an integer number (17460960).
Almost surely, 2202199631 is an apocalyptic number.
202199631 is a deficient number, since it is larger than the sum of its proper divisors (77175729).
202199631 is a wasteful number, since it uses less digits than its factorization.
202199631 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19966.
The product of its (nonzero) digits is 5832, while the sum is 33.
The square root of 202199631 is about 14219.6916633238. The cubic root of 202199631 is about 586.9396556158.
The spelling of 202199631 in words is "two hundred two million, one hundred ninety-nine thousand, six hundred thirty-one".
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