Base | Representation |
---|---|
bin | 110001100001011… |
… | …011000001110111 |
3 | 2010220101022010210 |
4 | 301201123001313 |
5 | 3200144020142 |
6 | 214235520503 |
7 | 26406031524 |
oct | 6141330167 |
9 | 2126338123 |
10 | 830845047 |
11 | 396a991aa |
12 | 1b22b9133 |
13 | 1031926b6 |
14 | 7c4b814b |
15 | 4ce1b49c |
hex | 3185b077 |
830845047 has 8 divisors (see below), whose sum is σ = 1122968944. Its totient is φ = 546308928.
The previous prime is 830845039. The next prime is 830845051. The reversal of 830845047 is 740548038.
830845047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 830845047 - 23 = 830845039 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 830844996 and 830845014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (830845007) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1896688 + ... + 1897125.
It is an arithmetic number, because the mean of its divisors is an integer number (140371118).
Almost surely, 2830845047 is an apocalyptic number.
830845047 is a deficient number, since it is larger than the sum of its proper divisors (292123897).
830845047 is a wasteful number, since it uses less digits than its factorization.
830845047 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3793889.
The product of its (nonzero) digits is 107520, while the sum is 39.
The square root of 830845047 is about 28824.3828554923. The cubic root of 830845047 is about 940.0984682573.
The spelling of 830845047 in words is "eight hundred thirty million, eight hundred forty-five thousand, forty-seven".
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