Base | Representation |
---|---|
bin | 11010101110001101000101 |
3 | 111011220001100 |
4 | 122232031011 |
5 | 3243124442 |
6 | 410050313 |
7 | 113353506 |
oct | 32561505 |
9 | 14156040 |
10 | 7004997 |
11 | 3a54a5a |
12 | 2419999 |
13 | 15b358c |
14 | d04bad |
15 | 93584c |
hex | 6ae345 |
7004997 has 6 divisors (see below), whose sum is σ = 10118342. Its totient is φ = 4669992.
The previous prime is 7004941. The next prime is 7005013. The reversal of 7004997 is 7994007.
It can be written as a sum of positive squares in only one way, i.e., 4691556 + 2313441 = 2166^2 + 1521^2 .
It is not a de Polignac number, because 7004997 - 28 = 7004741 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 (7004197) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 389158 + ... + 389175.
Almost surely, 27004997 is an apocalyptic number.
It is an amenable number.
7004997 is a deficient number, since it is larger than the sum of its proper divisors (3113345).
7004997 is a wasteful number, since it uses less digits than its factorization.
7004997 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 778339 (or 778336 counting only the distinct ones).
The product of its (nonzero) digits is 15876, while the sum is 36.
The square root of 7004997 is about 2646.6954868288. The cubic root of 7004997 is about 191.3386261032.
It can be divided in two parts, 7004 and 997, that added together give a triangular number (8001 = T126).
The spelling of 7004997 in words is "seven million, four thousand, nine hundred ninety-seven".
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