Base | Representation |
---|---|
bin | 100001101001… |
… | …101010100101 |
3 | 121121011201000 |
4 | 201221222211 |
5 | 4224241123 |
6 | 513023513 |
7 | 134660256 |
oct | 41515245 |
9 | 17534630 |
10 | 8821413 |
11 | 4a85727 |
12 | 2b54b99 |
13 | 1a9b293 |
14 | 1258b2d |
15 | b93b43 |
hex | 869aa5 |
8821413 has 16 divisors (see below), whose sum is σ = 13219200. Its totient is φ = 5813280.
The previous prime is 8821399. The next prime is 8821427. The reversal of 8821413 is 3141288.
It is an interprime number because it is at equal distance from previous prime (8821399) and next prime (8821427).
It is not a de Polignac number, because 8821413 - 26 = 8821349 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8821013) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 568 + ... + 4238.
It is an arithmetic number, because the mean of its divisors is an integer number (826200).
Almost surely, 28821413 is an apocalyptic number.
It is an amenable number.
8821413 is a deficient number, since it is larger than the sum of its proper divisors (4397787).
8821413 is a wasteful number, since it uses less digits than its factorization.
8821413 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3769 (or 3763 counting only the distinct ones).
The product of its digits is 1536, while the sum is 27.
The square root of 8821413 is about 2970.0863623807. The cubic root of 8821413 is about 206.6233436187.
The spelling of 8821413 in words is "eight million, eight hundred twenty-one thousand, four hundred thirteen".
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