Base | Representation |
---|---|
bin | 110001011111010… |
… | …110001001001101 |
3 | 2010212100122111121 |
4 | 301133112021031 |
5 | 3200024110444 |
6 | 214220120541 |
7 | 26401303615 |
oct | 6137261115 |
9 | 2125318447 |
10 | 830300749 |
11 | 396757273 |
12 | 1b2096151 |
13 | 103031a25 |
14 | 7c3b5a45 |
15 | 4cd60084 |
hex | 317d624d |
830300749 has 4 divisors (see below), whose sum is σ = 830583936. Its totient is φ = 830017564.
The previous prime is 830300743. The next prime is 830300753. The reversal of 830300749 is 947003038.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 830300749 - 213 = 830292557 is a prime.
It is a super-2 number, since 2×8303007492 = 1378798667579922002, 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 (830300743) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137149 + ... + 143074.
It is an arithmetic number, because the mean of its divisors is an integer number (207645984).
Almost surely, 2830300749 is an apocalyptic number.
It is an amenable number.
830300749 is a deficient number, since it is larger than the sum of its proper divisors (283187).
830300749 is a wasteful number, since it uses less digits than its factorization.
830300749 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 283186.
The product of its (nonzero) digits is 18144, while the sum is 34.
The square root of 830300749 is about 28814.9396841291. The cubic root of 830300749 is about 939.8931329392.
The spelling of 830300749 in words is "eight hundred thirty million, three hundred thousand, seven hundred forty-nine".
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