Base | Representation |
---|---|
bin | 111001010000… |
… | …1011100100010 |
3 | 2002111020122002 |
4 | 1302201130202 |
5 | 30141141120 |
6 | 2551244002 |
7 | 513114656 |
oct | 162413442 |
9 | 62436562 |
10 | 30021410 |
11 | 15a45591 |
12 | a079602 |
13 | 62b1963 |
14 | 3db6a66 |
15 | 2980375 |
hex | 1ca1722 |
30021410 has 16 divisors (see below), whose sum is σ = 54565056. Its totient is φ = 11891568.
The previous prime is 30021377. The next prime is 30021437. The reversal of 30021410 is 1412003.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 30021391 and 30021400.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13544 + ... + 15603.
It is an arithmetic number, because the mean of its divisors is an integer number (3410316).
Almost surely, 230021410 is an apocalyptic number.
30021410 is a deficient number, since it is larger than the sum of its proper divisors (24543646).
30021410 is a wasteful number, since it uses less digits than its factorization.
30021410 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29257.
The product of its (nonzero) digits is 24, while the sum is 11.
The square root of 30021410 is about 5479.1796831278. The cubic root of 30021410 is about 310.7971506270.
Adding to 30021410 its reverse (1412003), we get a palindrome (31433413).
The spelling of 30021410 in words is "thirty million, twenty-one thousand, four hundred ten".
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