Base | Representation |
---|---|
bin | 1011011101000110111101 |
3 | 12122120002022 |
4 | 23131012331 |
5 | 1232042223 |
6 | 144205525 |
7 | 34344362 |
oct | 13350675 |
9 | 5576068 |
10 | 3002813 |
11 | 1771070 |
12 | 10098a5 |
13 | 811a18 |
14 | 582469 |
15 | 3e4ac8 |
hex | 2dd1bd |
3002813 has 4 divisors (see below), whose sum is σ = 3275808. Its totient is φ = 2729820.
The previous prime is 3002807. The next prime is 3002833. The reversal of 3002813 is 3182003.
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: 3182003 = 11 ⋅289273.
It is a cyclic number.
It is not a de Polignac number, because 3002813 - 214 = 2986429 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 3002791 and 3002800.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3002833) 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, 136481 + ... + 136502.
It is an arithmetic number, because the mean of its divisors is an integer number (818952).
Almost surely, 23002813 is an apocalyptic number.
It is an amenable number.
3002813 is a deficient number, since it is larger than the sum of its proper divisors (272995).
3002813 is a wasteful number, since it uses less digits than its factorization.
3002813 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 272994.
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 3002813 is about 1732.8626604552. The cubic root of 3002813 is about 144.2700212602.
Adding to 3002813 its reverse (3182003), we get a palindrome (6184816).
It can be divided in two parts, 300 and 2813, that added together give a palindrome (3113).
The spelling of 3002813 in words is "three million, two thousand, eight hundred thirteen".
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