Base | Representation |
---|---|
bin | 11001010001010100101 |
3 | 1120001220020 |
4 | 3022022211 |
5 | 202444234 |
6 | 25425353 |
7 | 10016124 |
oct | 3121245 |
9 | 1501806 |
10 | 828069 |
11 | 516160 |
12 | 33b259 |
13 | 22cba8 |
14 | 177abb |
15 | 115549 |
hex | ca2a5 |
828069 has 16 divisors (see below), whose sum is σ = 1257984. Its totient is φ = 479600.
The previous prime is 828067. The next prime is 828071. The reversal of 828069 is 960828.
It is an interprime number because it is at equal distance from previous prime (828067) and next prime (828071).
It is not a de Polignac number, because 828069 - 21 = 828067 is a prime.
It is a super-2 number, since 2×8280692 = 1371396537522, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a plaindrome in base 14.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (828067) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214 + ... + 1304.
It is an arithmetic number, because the mean of its divisors is an integer number (78624).
2828069 is an apocalyptic number.
It is an amenable number.
828069 is a deficient number, since it is larger than the sum of its proper divisors (429915).
828069 is a wasteful number, since it uses less digits than its factorization.
828069 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1128.
The product of its (nonzero) digits is 6912, while the sum is 33.
The square root of 828069 is about 909.9829668736. The cubic root of 828069 is about 93.9050270581.
The spelling of 828069 in words is "eight hundred twenty-eight thousand, sixty-nine".
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