830120 has 16 divisors (see below), whose sum is σ = 1867860. Its totient is φ = 332032.
The previous prime is 830117. The next prime is 830131. The reversal of 830120 is 21038.
It can be written as a sum of positive squares in 2 ways, for example, as 806404 + 23716 = 898^2 + 154^2 .
It is a nialpdrome in base 16.
It is a junction number, because it is equal to n+sod(n) for n = 830095 and 830104.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10337 + ... + 10416.
2830120 is an apocalyptic number.
It is an amenable number.
830120 is an abundant number, since it is smaller than the sum of its proper divisors (1037740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
830120 is a wasteful number, since it uses less digits than its factorization.
830120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20764 (or 20760 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 14.
The square root of 830120 is about 911.1092140902. The cubic root of 830120 is about 93.9824925898.
Adding to 830120 its reverse (21038), we get a palindrome (851158).
The spelling of 830120 in words is "eight hundred thirty thousand, one hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •