Base | Representation |
---|---|
bin | 111010000001… |
… | …1000001110110 |
3 | 2010020112220210 |
4 | 1310003001312 |
5 | 30241433420 |
6 | 3004010250 |
7 | 516401166 |
oct | 164030166 |
9 | 63215823 |
10 | 30421110 |
11 | 16198915 |
12 | a230986 |
13 | 63c1875 |
14 | 407c5a6 |
15 | 2a0d9e0 |
hex | 1d03076 |
30421110 has 16 divisors (see below), whose sum is σ = 73010736. Its totient is φ = 8112288.
The previous prime is 30421051. The next prime is 30421117. The reversal of 30421110 is 1112403.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30421117) by changing a digit.
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, 506989 + ... + 507048.
It is an arithmetic number, because the mean of its divisors is an integer number (4563171).
Almost surely, 230421110 is an apocalyptic number.
30421110 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
30421110 is an abundant number, since it is smaller than the sum of its proper divisors (42589626).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30421110 is a wasteful number, since it uses less digits than its factorization.
30421110 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1014047.
The product of its (nonzero) digits is 24, while the sum is 12.
The square root of 30421110 is about 5515.5335190714. The cubic root of 30421110 is about 312.1703745662.
Adding to 30421110 its reverse (1112403), we get a palindrome (31533513).
The spelling of 30421110 in words is "thirty million, four hundred twenty-one thousand, one hundred ten".
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