Base | Representation |
---|---|
bin | 11110011111011100000001 |
3 | 120001002110100 |
4 | 132133130001 |
5 | 4021234324 |
6 | 443153013 |
7 | 124640316 |
oct | 36373401 |
9 | 16032410 |
10 | 7993089 |
11 | 456a365 |
12 | 2815769 |
13 | 186b250 |
14 | 10c0d0d |
15 | a7d4c9 |
hex | 79f701 |
7993089 has 24 divisors (see below), whose sum is σ = 12678120. Its totient is φ = 4822272.
The previous prime is 7993061. The next prime is 7993093. The reversal of 7993089 is 9803997.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 1703025 + 6290064 = 1305^2 + 2508^2 .
It is not a de Polignac number, because 7993089 - 25 = 7993057 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7993099) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5557 + ... + 6845.
It is an arithmetic number, because the mean of its divisors is an integer number (528255).
Almost surely, 27993089 is an apocalyptic number.
It is an amenable number.
7993089 is a deficient number, since it is larger than the sum of its proper divisors (4685031).
7993089 is a wasteful number, since it uses less digits than its factorization.
7993089 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1361 (or 1358 counting only the distinct ones).
The product of its (nonzero) digits is 122472, while the sum is 45.
The square root of 7993089 is about 2827.2051570411. The cubic root of 7993089 is about 199.9423917414.
The spelling of 7993089 in words is "seven million, nine hundred ninety-three thousand, eighty-nine".
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