Base | Representation |
---|---|
bin | 11001100001110… |
… | …111111000001110 |
3 | 1002211221101220110 |
4 | 121201313320032 |
5 | 1334121410110 |
6 | 110300100450 |
7 | 13420401201 |
oct | 3141677016 |
9 | 1084841813 |
10 | 428310030 |
11 | 1aa851735 |
12 | bb534726 |
13 | 6a9742b5 |
14 | 40c53938 |
15 | 27906a20 |
hex | 19877e0e |
428310030 has 16 divisors (see below), whose sum is σ = 1027944144. Its totient is φ = 114216000.
The previous prime is 428310023. The next prime is 428310031. The reversal of 428310030 is 30013824.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 428309979 and 428310006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (428310031) 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, 7138471 + ... + 7138530.
It is an arithmetic number, because the mean of its divisors is an integer number (64246509).
Almost surely, 2428310030 is an apocalyptic number.
428310030 is an abundant number, since it is smaller than the sum of its proper divisors (599634114).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
428310030 is a wasteful number, since it uses less digits than its factorization.
428310030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14277011.
The product of its (nonzero) digits is 576, while the sum is 21.
The square root of 428310030 is about 20695.6524419985. The cubic root of 428310030 is about 753.7941248999.
Adding to 428310030 its reverse (30013824), we get a palindrome (458323854).
The spelling of 428310030 in words is "four hundred twenty-eight million, three hundred ten thousand, thirty".
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