Base | Representation |
---|---|
bin | 1001001001111111110 |
3 | 120020120020 |
4 | 1021033332 |
5 | 34100110 |
6 | 10233010 |
7 | 2356503 |
oct | 1111776 |
9 | 506506 |
10 | 300030 |
11 | 195465 |
12 | 125766 |
13 | a6743 |
14 | 7b4aa |
15 | 5dd70 |
hex | 493fe |
300030 has 32 divisors (see below), whose sum is σ = 735264. Its totient is φ = 78336.
The previous prime is 300023. The next prime is 300043. The reversal of 300030 is 30003.
It is a Harshad number since it is a multiple of its sum of digits (6).
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
It is a junction number, because it is equal to n+sod(n) for n = 299991 and 300018.
It is a congruent number.
It is an unprimeable number.
300030 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2122 + ... + 2258.
It is an arithmetic number, because the mean of its divisors is an integer number (22977).
2300030 is an apocalyptic number.
300030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 300030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (367632).
300030 is an abundant number, since it is smaller than the sum of its proper divisors (435234).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
300030 is a wasteful number, since it uses less digits than its factorization.
300030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 220.
The product of its (nonzero) digits is 9, while the sum is 6.
The square root of 300030 is about 547.7499429484. The cubic root of 300030 is about 66.9455263770.
Adding to 300030 its reverse (30003), we get a palindrome (330033).
It can be divided in two parts, 3000 and 30, that multiplied together give a square (90000 = 3002).
The spelling of 300030 in words is "three hundred thousand, thirty".
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