Base | Representation |
---|---|
bin | 101010010101000… |
… | …0001010000001000 |
3 | 10122222112210010121 |
4 | 1110222001100020 |
5 | 10402044120240 |
6 | 352533553024 |
7 | 50124235114 |
oct | 12452012010 |
9 | 3588483117 |
10 | 1420301320 |
11 | 6697a5449 |
12 | 3377a5774 |
13 | 1983390a9 |
14 | d68b8744 |
15 | 84a5504a |
hex | 54a81408 |
1420301320 has 32 divisors (see below), whose sum is σ = 3197539800. Its totient is φ = 567789568.
The previous prime is 1420301287. The next prime is 1420301327. The reversal of 1420301320 is 231030241.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 1301622084 + 118679236 = 36078^2 + 10894^2 .
It is a super-3 number, since 3×14203013203 (a number of 28 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1420301294 and 1420301303.
It is not an unprimeable number, because it can be changed into a prime (1420301327) 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, 66162 + ... + 84958.
Almost surely, 21420301320 is an apocalyptic number.
1420301320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1420301320 is an abundant number, since it is smaller than the sum of its proper divisors (1777238480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1420301320 is a wasteful number, since it uses less digits than its factorization.
1420301320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20697 (or 20693 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 1420301320 is about 37686.8852520343. The cubic root of 1420301320 is about 1124.0703615566.
Adding to 1420301320 its reverse (231030241), we get a palindrome (1651331561).
The spelling of 1420301320 in words is "one billion, four hundred twenty million, three hundred one thousand, three hundred twenty".
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