Base | Representation |
---|---|
bin | 101010000010… |
… | …110001101011 |
3 | 202201221112201 |
4 | 222002301223 |
5 | 10310141134 |
6 | 1032121031 |
7 | 162452263 |
oct | 52026153 |
9 | 22657481 |
10 | 11021419 |
11 | 6248612 |
12 | 3836177 |
13 | 238b766 |
14 | 166c7a3 |
15 | e7a914 |
hex | a82c6b |
11021419 has 4 divisors (see below), whose sum is σ = 11202160. Its totient is φ = 10840680.
The previous prime is 11021411. The next prime is 11021473. The reversal of 11021419 is 91412011.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91412011 = 919 ⋅99469.
It is a cyclic number.
It is not a de Polignac number, because 11021419 - 23 = 11021411 is a prime.
It is a super-2 number, since 2×110214192 = 242943353547122, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 11021396 and 11021405.
It is not an unprimeable number, because it can be changed into a prime (11021411) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90279 + ... + 90400.
It is an arithmetic number, because the mean of its divisors is an integer number (2800540).
Almost surely, 211021419 is an apocalyptic number.
11021419 is a deficient number, since it is larger than the sum of its proper divisors (180741).
11021419 is an equidigital number, since it uses as much as digits as its factorization.
11021419 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 180740.
The product of its (nonzero) digits is 72, while the sum is 19.
The square root of 11021419 is about 3319.8522557487. The cubic root of 11021419 is about 222.5422652529.
The spelling of 11021419 in words is "eleven million, twenty-one thousand, four hundred nineteen".
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