Base | Representation |
---|---|
bin | 11101000001001000011101 |
3 | 112022110120211 |
4 | 131001020131 |
5 | 3421404223 |
6 | 431012421 |
7 | 121441204 |
oct | 35011035 |
9 | 15273524 |
10 | 7606813 |
11 | 4326125 |
12 | 266a111 |
13 | 1764496 |
14 | 102023b |
15 | a03d0d |
hex | 74121d |
7606813 has 4 divisors (see below), whose sum is σ = 7937568. Its totient is φ = 7276060.
The previous prime is 7606801. The next prime is 7606817. The reversal of 7606813 is 3186067.
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: 3186067 = 149 ⋅21383.
It is a cyclic number.
It is not a de Polignac number, because 7606813 - 213 = 7598621 is a prime.
It is a Duffinian number.
7606813 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7606817) 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, 165343 + ... + 165388.
It is an arithmetic number, because the mean of its divisors is an integer number (1984392).
Almost surely, 27606813 is an apocalyptic number.
It is an amenable number.
7606813 is a deficient number, since it is larger than the sum of its proper divisors (330755).
7606813 is a wasteful number, since it uses less digits than its factorization.
7606813 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 330754.
The product of its (nonzero) digits is 6048, while the sum is 31.
The square root of 7606813 is about 2758.0451410374. The cubic root of 7606813 is about 196.6682469789.
The spelling of 7606813 in words is "seven million, six hundred six thousand, eight hundred thirteen".
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