Base | Representation |
---|---|
bin | 111011110011010… |
… | …101110011110101 |
3 | 2120220220122122101 |
4 | 323303111303311 |
5 | 4023322030141 |
6 | 243320302101 |
7 | 33602013634 |
oct | 7363256365 |
9 | 2526818571 |
10 | 1003314421 |
11 | 475387a7a |
12 | 240011931 |
13 | 12cb2a995 |
14 | 9737151b |
15 | 5d138531 |
hex | 3bcd5cf5 |
1003314421 has 4 divisors (see below), whose sum is σ = 1037911500. Its totient is φ = 968717344.
The previous prime is 1003314413. The next prime is 1003314427. The reversal of 1003314421 is 1244133001.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1244133001 = 79 ⋅15748519.
It can be written as a sum of positive squares in 2 ways, for example, as 168740100 + 834574321 = 12990^2 + 28889^2 .
It is a cyclic number.
It is not a de Polignac number, because 1003314421 - 23 = 1003314413 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1003314427) 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, 17298496 + ... + 17298553.
It is an arithmetic number, because the mean of its divisors is an integer number (259477875).
Almost surely, 21003314421 is an apocalyptic number.
It is an amenable number.
1003314421 is a deficient number, since it is larger than the sum of its proper divisors (34597079).
1003314421 is an equidigital number, since it uses as much as digits as its factorization.
1003314421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34597078.
The product of its (nonzero) digits is 288, while the sum is 19.
The square root of 1003314421 is about 31675.1388473673. The cubic root of 1003314421 is about 1001.1035886441.
Adding to 1003314421 its reverse (1244133001), we get a palindrome (2247447422).
The spelling of 1003314421 in words is "one billion, three million, three hundred fourteen thousand, four hundred twenty-one".
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