Base | Representation |
---|---|
bin | 101011010110101010011 |
3 | 2200011201211 |
4 | 11122311103 |
5 | 330430002 |
6 | 50240551 |
7 | 15034525 |
oct | 5326523 |
9 | 2604654 |
10 | 1420627 |
11 | 89037a |
12 | 586157 |
13 | 3a9810 |
14 | 28da15 |
15 | 1d0dd7 |
hex | 15ad53 |
1420627 has 4 divisors (see below), whose sum is σ = 1529920. Its totient is φ = 1311336.
The previous prime is 1420621. The next prime is 1420631. The reversal of 1420627 is 7260241.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7260241 = 17 ⋅427073.
It is not a de Polignac number, because 1420627 - 211 = 1418579 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1420598 and 1420607.
It is not an unprimeable number, because it can be changed into a prime (1420621) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54627 + ... + 54652.
It is an arithmetic number, because the mean of its divisors is an integer number (382480).
21420627 is an apocalyptic number.
1420627 is a deficient number, since it is larger than the sum of its proper divisors (109293).
1420627 is a wasteful number, since it uses less digits than its factorization.
1420627 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 109292.
The product of its (nonzero) digits is 672, while the sum is 22.
The square root of 1420627 is about 1191.9005831025. The cubic root of 1420627 is about 112.4156272730.
Adding to 1420627 its reverse (7260241), we get a palindrome (8680868).
The spelling of 1420627 in words is "one million, four hundred twenty thousand, six hundred twenty-seven".
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