Base | Representation |
---|---|
bin | 11001010001011100010 |
3 | 1120001222111 |
4 | 3022023202 |
5 | 203000010 |
6 | 25425534 |
7 | 10016242 |
oct | 3121342 |
9 | 1501874 |
10 | 828130 |
11 | 516206 |
12 | 33b2aa |
13 | 22cc24 |
14 | 177b22 |
15 | 11558a |
hex | ca2e2 |
828130 has 8 divisors (see below), whose sum is σ = 1490652. Its totient is φ = 331248.
The previous prime is 828127. The next prime is 828131. The reversal of 828130 is 31828.
It can be written as a sum of positive squares in 2 ways, for example, as 826281 + 1849 = 909^2 + 43^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a plaindrome in base 15.
It is not an unprimeable number, because it can be changed into a prime (828131) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41397 + ... + 41416.
2828130 is an apocalyptic number.
828130 is a deficient number, since it is larger than the sum of its proper divisors (662522).
828130 is a wasteful number, since it uses less digits than its factorization.
828130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 82820.
The product of its (nonzero) digits is 384, while the sum is 22.
The square root of 828130 is about 910.0164833672. The cubic root of 828130 is about 93.9073328507.
Adding to 828130 its reverse (31828), we get a palindrome (859958).
The spelling of 828130 in words is "eight hundred twenty-eight thousand, one hundred thirty".
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