Base | Representation |
---|---|
bin | 11011000011000111010001 |
3 | 111100020112100 |
4 | 123003013101 |
5 | 3303400031 |
6 | 411551013 |
7 | 114161265 |
oct | 33030721 |
9 | 14306470 |
10 | 7090641 |
11 | 4003338 |
12 | 245b469 |
13 | 161355c |
14 | d280a5 |
15 | 950de6 |
hex | 6c31d1 |
7090641 has 12 divisors (see below), whose sum is σ = 10270260. Its totient is φ = 4714080.
The previous prime is 7090639. The next prime is 7090651. The reversal of 7090641 is 1460907.
It can be written as a sum of positive squares in 2 ways, for example, as 1782225 + 5308416 = 1335^2 + 2304^2 .
It is not a de Polignac number, because 7090641 - 21 = 7090639 is a prime.
It is not an unprimeable number, because it can be changed into a prime (7090631) 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 11 ways as a sum of consecutive naturals, for example, 3295 + ... + 5003.
It is an arithmetic number, because the mean of its divisors is an integer number (855855).
Almost surely, 27090641 is an apocalyptic number.
It is an amenable number.
7090641 is a deficient number, since it is larger than the sum of its proper divisors (3179619).
7090641 is a wasteful number, since it uses less digits than its factorization.
7090641 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2176 (or 2173 counting only the distinct ones).
The product of its (nonzero) digits is 1512, while the sum is 27.
The square root of 7090641 is about 2662.8257547200. The cubic root of 7090641 is about 192.1152465655.
The spelling of 7090641 in words is "seven million, ninety thousand, six hundred forty-one".
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