Base | Representation |
---|---|
bin | 111001010000… |
… | …1010110010110 |
3 | 2002111020002102 |
4 | 1302201112112 |
5 | 30141133024 |
6 | 2551242102 |
7 | 513113552 |
oct | 162412626 |
9 | 62436072 |
10 | 30021014 |
11 | 15a45261 |
12 | a079332 |
13 | 62b171a |
14 | 3db6862 |
15 | 29801ae |
hex | 1ca1596 |
30021014 has 16 divisors (see below), whose sum is σ = 47981808. Its totient is φ = 14038272.
The previous prime is 30021011. The next prime is 30021037. The reversal of 30021014 is 41012003.
It is a happy number.
It is a super-2 number, since 2×300210142 = 1802522563176392, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30020986 and 30021004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30021011) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2834 + ... + 8250.
It is an arithmetic number, because the mean of its divisors is an integer number (2998863).
Almost surely, 230021014 is an apocalyptic number.
30021014 is a gapful number since it is divisible by the number (34) formed by its first and last digit.
30021014 is a deficient number, since it is larger than the sum of its proper divisors (17960794).
30021014 is a wasteful number, since it uses less digits than its factorization.
30021014 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5599.
The product of its (nonzero) digits is 24, while the sum is 11.
The square root of 30021014 is about 5479.1435462123. The cubic root of 30021014 is about 310.7957840888.
Adding to 30021014 its reverse (41012003), we get a palindrome (71033017).
The spelling of 30021014 in words is "thirty million, twenty-one thousand, fourteen".
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