Base | Representation |
---|---|
bin | 111000000111… |
… | …111111110100 |
3 | 1000200111012021 |
4 | 320013333310 |
5 | 12231302240 |
6 | 1243202524 |
7 | 236025343 |
oct | 70077764 |
9 | 30614167 |
10 | 14712820 |
11 | 8339a61 |
12 | 4b16444 |
13 | 3081a15 |
14 | 1d4db5a |
15 | 145954a |
hex | e07ff4 |
14712820 has 48 divisors (see below), whose sum is σ = 33097680. Its totient is φ = 5474304.
The previous prime is 14712811. The next prime is 14712851. The reversal of 14712820 is 2821741.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 1008016 + 13704804 = 1004^2 + 3702^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36862 + ... + 37258.
It is an arithmetic number, because the mean of its divisors is an integer number (689535).
Almost surely, 214712820 is an apocalyptic number.
14712820 is a gapful number since it is divisible by the number (10) 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 14712820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16548840).
14712820 is an abundant number, since it is smaller than the sum of its proper divisors (18384860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
14712820 is a wasteful number, since it uses less digits than its factorization.
14712820 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 532 (or 530 counting only the distinct ones).
The product of its (nonzero) digits is 896, while the sum is 25.
The square root of 14712820 is about 3835.7293960862. The cubic root of 14712820 is about 245.0371733127.
The spelling of 14712820 in words is "fourteen million, seven hundred twelve thousand, eight hundred twenty".
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