Base | Representation |
---|---|
bin | 111001110101… |
… | …0100110100100 |
3 | 2010001110200020 |
4 | 1303222212210 |
5 | 30230233220 |
6 | 3001515140 |
7 | 515503410 |
oct | 163524644 |
9 | 63043606 |
10 | 30321060 |
11 | 1612a730 |
12 | a1a2ab0 |
13 | 6388173 |
14 | 4053d40 |
15 | 29de040 |
hex | 1cea9a4 |
30321060 has 96 divisors (see below), whose sum is σ = 105864192. Its totient is φ = 6299520.
The previous prime is 30321041. The next prime is 30321073. The reversal of 30321060 is 6012303.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is an unprimeable number.
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 31 ways as a sum of consecutive naturals, for example, 1339 + ... + 7901.
It is an arithmetic number, because the mean of its divisors is an integer number (1102752).
Almost surely, 230321060 is an apocalyptic number.
30321060 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30321060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52932096).
30321060 is an abundant number, since it is smaller than the sum of its proper divisors (75543132).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30321060 is a wasteful number, since it uses less digits than its factorization.
30321060 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6593 (or 6591 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 15.
The square root of 30321060 is about 5506.4562106676. The cubic root of 30321060 is about 311.8277731255.
Adding to 30321060 its reverse (6012303), we get a palindrome (36333363).
The spelling of 30321060 in words is "thirty million, three hundred twenty-one thousand, sixty".
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