Base | Representation |
---|---|
bin | 1100001011101… |
… | …11101110010101 |
3 | 21010022102010221 |
4 | 12011313232111 |
5 | 202130433021 |
6 | 14050314341 |
7 | 2350463530 |
oct | 605675625 |
9 | 233272127 |
10 | 102202261 |
11 | 52766087 |
12 | 2a2889b1 |
13 | 18235015 |
14 | d805a17 |
15 | 8e8c241 |
hex | 6177b95 |
102202261 has 8 divisors (see below), whose sum is σ = 116864384. Its totient is φ = 87555600.
The previous prime is 102202241. The next prime is 102202297. The reversal of 102202261 is 162202201.
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 102202261 - 223 = 93813653 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102202201) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20896 + ... + 25318.
It is an arithmetic number, because the mean of its divisors is an integer number (14608048).
Almost surely, 2102202261 is an apocalyptic number.
It is an amenable number.
102202261 is a deficient number, since it is larger than the sum of its proper divisors (14662123).
102202261 is an equidigital number, since it uses as much as digits as its factorization.
102202261 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7731.
The product of its (nonzero) digits is 96, while the sum is 16.
The square root of 102202261 is about 10109.5133908611. The cubic root of 102202261 is about 467.5415022208.
Adding to 102202261 its reverse (162202201), we get a palindrome (264404462).
The spelling of 102202261 in words is "one hundred two million, two hundred two thousand, two hundred sixty-one".
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