Base | Representation |
---|---|
bin | 11011000011000011101001 |
3 | 111100020012202 |
4 | 123003003221 |
5 | 3303343114 |
6 | 411545545 |
7 | 114160514 |
oct | 33030351 |
9 | 14306182 |
10 | 7090409 |
11 | 4003147 |
12 | 245b2b5 |
13 | 1613411 |
14 | d27d7b |
15 | 950cde |
hex | 6c30e9 |
7090409 has 8 divisors (see below), whose sum is σ = 7277088. Its totient is φ = 6906240.
The previous prime is 7090403. The next prime is 7090427. The reversal of 7090409 is 9040907.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-7090409 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (7090403) 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 7 ways as a sum of consecutive naturals, for example, 5954 + ... + 7044.
It is an arithmetic number, because the mean of its divisors is an integer number (909636).
Almost surely, 27090409 is an apocalyptic number.
It is an amenable number.
7090409 is a deficient number, since it is larger than the sum of its proper divisors (186679).
7090409 is a wasteful number, since it uses less digits than its factorization.
7090409 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1255.
The product of its (nonzero) digits is 2268, while the sum is 29.
The square root of 7090409 is about 2662.7821916184. The cubic root of 7090409 is about 192.1131512578.
The spelling of 7090409 in words is "seven million, ninety thousand, four hundred nine".
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