Base | Representation |
---|---|
bin | 101001001111… |
… | …110110011110 |
3 | 202100100102012 |
4 | 221033312132 |
5 | 10232002310 |
6 | 1023431222 |
7 | 160623200 |
oct | 51176636 |
9 | 22310365 |
10 | 10812830 |
11 | 6115926 |
12 | 3755512 |
13 | 2317832 |
14 | 1616770 |
15 | e38c05 |
hex | a4fd9e |
10812830 has 24 divisors (see below), whose sum is σ = 22641768. Its totient is φ = 3707088.
The previous prime is 10812827. The next prime is 10812839. The reversal of 10812830 is 3821801.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 10812796 and 10812805.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10812839) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10544 + ... + 11523.
It is an arithmetic number, because the mean of its divisors is an integer number (943407).
Almost surely, 210812830 is an apocalyptic number.
10812830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
10812830 is an abundant number, since it is smaller than the sum of its proper divisors (11828938).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10812830 is a wasteful number, since it uses less digits than its factorization.
10812830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22088 (or 22081 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 23.
The square root of 10812830 is about 3288.2867879794. The cubic root of 10812830 is about 221.1293851400.
The spelling of 10812830 in words is "ten million, eight hundred twelve thousand, eight hundred thirty".
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