Base | Representation |
---|---|
bin | 111010110001… |
… | …0111101001110 |
3 | 2010222111220101 |
4 | 1311202331032 |
5 | 30342022110 |
6 | 3020241314 |
7 | 522625552 |
oct | 165427516 |
9 | 63874811 |
10 | 30814030 |
11 | 16437045 |
12 | a3a023a |
13 | 64cb670 |
14 | 4141862 |
15 | 2a8a13a |
hex | 1d62f4e |
30814030 has 64 divisors (see below), whose sum is σ = 64447488. Its totient is φ = 10506240.
The previous prime is 30813977. The next prime is 30814033. The reversal of 30814030 is 3041803.
It is a junction number, because it is equal to n+sod(n) for n = 30813989 and 30814007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30814033) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 161235 + ... + 161425.
It is an arithmetic number, because the mean of its divisors is an integer number (1006992).
Almost surely, 230814030 is an apocalyptic number.
30814030 is an abundant number, since it is smaller than the sum of its proper divisors (33633458).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30814030 is a wasteful number, since it uses less digits than its factorization.
30814030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 301.
The product of its (nonzero) digits is 288, while the sum is 19.
The square root of 30814030 is about 5551.0386415517. The cubic root of 30814030 is about 313.5086300933.
Adding to 30814030 its reverse (3041803), we get a palindrome (33855833).
The spelling of 30814030 in words is "thirty million, eight hundred fourteen thousand, thirty".
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