Base | Representation |
---|---|
bin | 110001011111011… |
… | …101000001010111 |
3 | 2010212102002010221 |
4 | 301133131001113 |
5 | 3200031011134 |
6 | 214220455211 |
7 | 26401452010 |
oct | 6137350127 |
9 | 2125362127 |
10 | 830328919 |
11 | 396776452 |
12 | 1b20aa507 |
13 | 1030417b4 |
14 | 7c3c2007 |
15 | 4cd685b4 |
hex | 317dd057 |
830328919 has 4 divisors (see below), whose sum is σ = 948947344. Its totient is φ = 711710496.
The previous prime is 830328913. The next prime is 830328949. The reversal of 830328919 is 919823038.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 830328919 - 213 = 830320727 is a prime.
It is a super-2 number, since 2×8303289192 = 1378892227455417122, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (830328913) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59309202 + ... + 59309215.
It is an arithmetic number, because the mean of its divisors is an integer number (237236836).
Almost surely, 2830328919 is an apocalyptic number.
830328919 is a deficient number, since it is larger than the sum of its proper divisors (118618425).
830328919 is a wasteful number, since it uses less digits than its factorization.
830328919 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 118618424.
The product of its (nonzero) digits is 93312, while the sum is 43.
The square root of 830328919 is about 28815.4284889189. The cubic root of 830328919 is about 939.9037622163.
The spelling of 830328919 in words is "eight hundred thirty million, three hundred twenty-eight thousand, nine hundred nineteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •