Base | Representation |
---|---|
bin | 1111100010111… |
… | …0100000100000 |
3 | 11112200121121121 |
4 | 3320232200200 |
5 | 113142432313 |
6 | 10245302024 |
7 | 1421131621 |
oct | 370564040 |
9 | 145617547 |
10 | 65202208 |
11 | 33894425 |
12 | 19a04914 |
13 | 1067bab6 |
14 | 8933a48 |
15 | 5ace28d |
hex | 3e2e820 |
65202208 has 48 divisors (see below), whose sum is σ = 140638680. Its totient is φ = 29618176.
The previous prime is 65202197. The next prime is 65202223. The reversal of 65202208 is 80220256.
It can be written as a sum of positive squares in 4 ways, for example, as 64448784 + 753424 = 8028^2 + 868^2 .
It is an unprimeable number.
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, 13710 + ... + 17842.
Almost surely, 265202208 is an apocalyptic number.
65202208 is a gapful number since it is divisible by the number (68) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 65202208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70319340).
65202208 is an abundant number, since it is smaller than the sum of its proper divisors (75436472).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
65202208 is a wasteful number, since it uses less digits than its factorization.
65202208 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4189 (or 4181 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 25.
The square root of 65202208 is about 8074.7884182807. The cubic root of 65202208 is about 402.4890790859.
The spelling of 65202208 in words is "sixty-five million, two hundred two thousand, two hundred eight".
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