Base | Representation |
---|---|
bin | 11000001000110… |
… | …11000011001001 |
3 | 112010000100112001 |
4 | 30010123003021 |
5 | 403314022321 |
6 | 32031551001 |
7 | 5006050036 |
oct | 1404330311 |
9 | 463010461 |
10 | 202485961 |
11 | a4330777 |
12 | 5798b461 |
13 | 32c479a2 |
14 | 1cc6c38d |
15 | 12b9ac91 |
hex | c11b0c9 |
202485961 has 8 divisors (see below), whose sum is σ = 203603400. Its totient is φ = 201372288.
The previous prime is 202485937. The next prime is 202485971. The reversal of 202485961 is 169584202.
It can be written as a sum of positive squares in 4 ways, for example, as 164737225 + 37748736 = 12835^2 + 6144^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 202485961 - 29 = 202485449 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 202485961.
It is not an unprimeable number, because it can be changed into a prime (202485971) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235845 + ... + 236701.
It is an arithmetic number, because the mean of its divisors is an integer number (25450425).
Almost surely, 2202485961 is an apocalyptic number.
It is an amenable number.
202485961 is a deficient number, since it is larger than the sum of its proper divisors (1117439).
202485961 is an equidigital number, since it uses as much as digits as its factorization.
202485961 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1883.
The product of its (nonzero) digits is 34560, while the sum is 37.
The square root of 202485961 is about 14229.7561820293. The cubic root of 202485961 is about 587.2165752872.
The spelling of 202485961 in words is "two hundred two million, four hundred eighty-five thousand, nine hundred sixty-one".
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