Base | Representation |
---|---|
bin | 1001001101100000110 |
3 | 120100000220 |
4 | 1021230012 |
5 | 34124310 |
6 | 10245210 |
7 | 2364654 |
oct | 1115406 |
9 | 510026 |
10 | 301830 |
11 | 196851 |
12 | 126806 |
13 | a74c9 |
14 | 7bdd4 |
15 | 5e670 |
hex | 49b06 |
301830 has 16 divisors (see below), whose sum is σ = 724464. Its totient is φ = 80480.
The previous prime is 301813. The next prime is 301831. The reversal of 301830 is 38103.
It is a super-2 number, since 2×3018302 = 182202697800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (301831) by changing a digit.
301830 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 7 ways as a sum of consecutive naturals, for example, 5001 + ... + 5060.
It is an arithmetic number, because the mean of its divisors is an integer number (45279).
2301830 is an apocalyptic number.
301830 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
301830 is an abundant number, since it is smaller than the sum of its proper divisors (422634).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
301830 is a wasteful number, since it uses less digits than its factorization.
301830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10071.
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 301830 is about 549.3905714517. The cubic root of 301830 is about 67.0791372022.
Adding to 301830 its reverse (38103), we get a palindrome (339933).
The spelling of 301830 in words is "three hundred one thousand, eight hundred thirty".
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