Base | Representation |
---|---|
bin | 110001100000000… |
… | …110111100001101 |
3 | 2010212201210200021 |
4 | 301200012330031 |
5 | 3200102004441 |
6 | 214224302141 |
7 | 26403065416 |
oct | 6140067415 |
9 | 2125653607 |
10 | 830500621 |
11 | 396883455 |
12 | 1b2171951 |
13 | 1030a19b2 |
14 | 7c42880d |
15 | 4cd9e3d1 |
hex | 31806f0d |
830500621 has 8 divisors (see below), whose sum is σ = 875458400. Its totient is φ = 785667600.
The previous prime is 830500603. The next prime is 830500663. The reversal of 830500621 is 126005038.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 830500621 - 27 = 830500493 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (830500681) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 17355 + ... + 44296.
It is an arithmetic number, because the mean of its divisors is an integer number (109432300).
Almost surely, 2830500621 is an apocalyptic number.
It is an amenable number.
830500621 is a deficient number, since it is larger than the sum of its proper divisors (44957779).
830500621 is a wasteful number, since it uses less digits than its factorization.
830500621 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 62379.
The product of its (nonzero) digits is 1440, while the sum is 25.
The square root of 830500621 is about 28818.4076763446. The cubic root of 830500621 is about 939.9685446695.
Adding to 830500621 its reverse (126005038), we get a palindrome (956505659).
The spelling of 830500621 in words is "eight hundred thirty million, five hundred thousand, six hundred twenty-one".
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