Base | Representation |
---|---|
bin | 101010010101011… |
… | …1001011001100100 |
3 | 10122222222110121101 |
4 | 1110222321121210 |
5 | 10402124000200 |
6 | 352542525444 |
7 | 50126213446 |
oct | 12452713144 |
9 | 3588873541 |
10 | 1420531300 |
11 | 669942211 |
12 | 337896884 |
13 | 1983b9986 |
14 | d6938496 |
15 | 84a9d26a |
hex | 54ab9664 |
1420531300 has 18 divisors (see below), whose sum is σ = 3082553138. Its totient is φ = 568212480.
The previous prime is 1420531193. The next prime is 1420531349. The reversal of 1420531300 is 31350241.
It can be written as a sum of positive squares in 3 ways, for example, as 1954404 + 1418576896 = 1398^2 + 37664^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7102557 + ... + 7102756.
Almost surely, 21420531300 is an apocalyptic number.
1420531300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1420531300 is an abundant number, since it is smaller than the sum of its proper divisors (1662021838).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1420531300 is a wasteful number, since it uses less digits than its factorization.
1420531300 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14205327 (or 14205320 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 19.
The square root of 1420531300 is about 37689.9363225782. The cubic root of 1420531300 is about 1124.1310293755.
Adding to 1420531300 its reverse (31350241), we get a palindrome (1451881541).
The spelling of 1420531300 in words is "one billion, four hundred twenty million, five hundred thirty-one thousand, three hundred".
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