Base | Representation |
---|---|
bin | 11111001100111001101 |
3 | 1220221111011 |
4 | 3321213031 |
5 | 230204123 |
6 | 33525221 |
7 | 11455540 |
oct | 3714715 |
9 | 1827434 |
10 | 1022413 |
11 | 639177 |
12 | 413811 |
13 | 29a4a2 |
14 | 1c8857 |
15 | 152e0d |
hex | f99cd |
1022413 has 4 divisors (see below), whose sum is σ = 1168480. Its totient is φ = 876348.
The previous prime is 1022389. The next prime is 1022429. The reversal of 1022413 is 3142201.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3142201 = 19 ⋅165379.
It is a cyclic number.
It is not a de Polignac number, because 1022413 - 25 = 1022381 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1022393 and 1022402.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1022443) 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 3 ways as a sum of consecutive naturals, for example, 73023 + ... + 73036.
It is an arithmetic number, because the mean of its divisors is an integer number (292120).
21022413 is an apocalyptic number.
It is an amenable number.
1022413 is a deficient number, since it is larger than the sum of its proper divisors (146067).
1022413 is an equidigital number, since it uses as much as digits as its factorization.
1022413 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 146066.
The product of its (nonzero) digits is 48, while the sum is 13.
The square root of 1022413 is about 1011.1444011614. The cubic root of 1022413 is about 100.7415868942.
Adding to 1022413 its reverse (3142201), we get a palindrome (4164614).
The spelling of 1022413 in words is "one million, twenty-two thousand, four hundred thirteen".
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