Base | Representation |
---|---|
bin | 1100010000010… |
… | …11101010100110 |
3 | 21011110012101020 |
4 | 12020023222212 |
5 | 202304330410 |
6 | 14111312010 |
7 | 2355566310 |
oct | 610135246 |
9 | 234405336 |
10 | 102808230 |
11 | 5303a388 |
12 | 2a51b606 |
13 | 183b7a95 |
14 | d9227b0 |
15 | 905ba70 |
hex | 620baa6 |
102808230 has 64 divisors (see below), whose sum is σ = 285603840. Its totient is φ = 23197824.
The previous prime is 102808207. The next prime is 102808243. The reversal of 102808230 is 32808201.
It is a self number, because there is not a number n which added to its sum of digits gives 102808230.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13492 + ... + 19688.
It is an arithmetic number, because the mean of its divisors is an integer number (4462560).
Almost surely, 2102808230 is an apocalyptic number.
102808230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 102808230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142801920).
102808230 is an abundant number, since it is smaller than the sum of its proper divisors (182795610).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102808230 is a wasteful number, since it uses less digits than its factorization.
102808230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6293.
The product of its (nonzero) digits is 768, while the sum is 24.
The square root of 102808230 is about 10139.4393336121. The cubic root of 102808230 is about 468.4637178152.
The spelling of 102808230 in words is "one hundred two million, eight hundred eight thousand, two hundred thirty".
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