Base | Representation |
---|---|
bin | 101011010101110110101 |
3 | 2200011011111 |
4 | 11122232311 |
5 | 330421323 |
6 | 50235021 |
7 | 15033364 |
oct | 5325665 |
9 | 2604144 |
10 | 1420213 |
11 | 890033 |
12 | 585a71 |
13 | 3a9582 |
14 | 28d7db |
15 | 1d0c0d |
hex | 15abb5 |
1420213 has 8 divisors (see below), whose sum is σ = 1463616. Its totient is φ = 1377600.
The previous prime is 1420207. The next prime is 1420253. The reversal of 1420213 is 3120241.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1420213 - 29 = 1419701 is a prime.
It is a Duffinian number.
1420213 is a modest number, since divided by 213 gives 142 as remainder.
It is a junction number, because it is equal to n+sod(n) for n = 1420193 and 1420202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1420253) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 5773 + ... + 6013.
It is an arithmetic number, because the mean of its divisors is an integer number (182952).
21420213 is an apocalyptic number.
It is an amenable number.
1420213 is a deficient number, since it is larger than the sum of its proper divisors (43403).
1420213 is an equidigital number, since it uses as much as digits as its factorization.
1420213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 395.
The product of its (nonzero) digits is 48, while the sum is 13.
The square root of 1420213 is about 1191.7268982447. The cubic root of 1420213 is about 112.4047061348.
Adding to 1420213 its reverse (3120241), we get a palindrome (4540454).
The spelling of 1420213 in words is "one million, four hundred twenty thousand, two hundred thirteen".
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