Base | Representation |
---|---|
bin | 101010010101010… |
… | …0100000111100010 |
3 | 10122222211001000212 |
4 | 1110222210013202 |
5 | 10402113203010 |
6 | 352541014122 |
7 | 50125401350 |
oct | 12452440742 |
9 | 3588731025 |
10 | 1420444130 |
11 | 669892776 |
12 | 337854342 |
13 | 1983890b1 |
14 | d69147d0 |
15 | 84a82505 |
hex | 54aa41e2 |
1420444130 has 32 divisors (see below), whose sum is σ = 2927477376. Its totient is φ = 486105984.
The previous prime is 1420444117. The next prime is 1420444141. The reversal of 1420444130 is 314440241.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 1420444096 and 1420444105.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19742 + ... + 56838.
It is an arithmetic number, because the mean of its divisors is an integer number (91483668).
Almost surely, 21420444130 is an apocalyptic number.
1420444130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1420444130 is an abundant number, since it is smaller than the sum of its proper divisors (1507033246).
1420444130 is a wasteful number, since it uses less digits than its factorization.
1420444130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37658.
The product of its (nonzero) digits is 1536, while the sum is 23.
The square root of 1420444130 is about 37688.7798953482. The cubic root of 1420444130 is about 1124.1080350432.
Adding to 1420444130 its reverse (314440241), we get a palindrome (1734884371).
The spelling of 1420444130 in words is "one billion, four hundred twenty million, four hundred forty-four thousand, one hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •