Base | Representation |
---|---|
bin | 110010000001000… |
… | …001101110101110 |
3 | 2011110222020000000 |
4 | 302001001232232 |
5 | 3204304130110 |
6 | 215133245130 |
7 | 26536326144 |
oct | 6201015656 |
9 | 2143866000 |
10 | 839130030 |
11 | 3a07378a2 |
12 | 1b50337a6 |
13 | 104b0375b |
14 | 7d633594 |
15 | 4da061c0 |
hex | 32041bae |
839130030 has 256 divisors, whose sum is σ = 2503768320. Its totient is φ = 201553920.
The previous prime is 839130011. The next prime is 839130049. The reversal of 839130030 is 30031938.
It is an interprime number because it is at equal distance from previous prime (839130011) and next prime (839130049).
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 839129976 and 839130003.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 13756200 + ... + 13756260.
It is an arithmetic number, because the mean of its divisors is an integer number (9780345).
Almost surely, 2839130030 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 839130030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1251884160).
839130030 is an abundant number, since it is smaller than the sum of its proper divisors (1664638290).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
839130030 is a wasteful number, since it uses less digits than its factorization.
839130030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 143 (or 125 counting only the distinct ones).
The product of its (nonzero) digits is 1944, while the sum is 27.
The square root of 839130030 is about 28967.7411960270. The cubic root of 839130030 is about 943.2129492424.
Adding to 839130030 its reverse (30031938), we get a palindrome (869161968).
The spelling of 839130030 in words is "eight hundred thirty-nine million, one hundred thirty thousand, thirty".
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