Base | Representation |
---|---|
bin | 11110011101011111000001 |
3 | 120000200111001 |
4 | 132131133001 |
5 | 4021010324 |
6 | 443052001 |
7 | 124605100 |
oct | 36353701 |
9 | 16020431 |
10 | 7985089 |
11 | 4564352 |
12 | 2811001 |
13 | 1867708 |
14 | 10bc037 |
15 | a7ae44 |
hex | 79d7c1 |
7985089 has 12 divisors (see below), whose sum is σ = 9381744. Its totient is φ = 6775944.
The previous prime is 7985077. The next prime is 7985093. The reversal of 7985089 is 9805897.
It is not a de Polignac number, because 7985089 - 213 = 7976897 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (7985009) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4482 + ... + 6004.
It is an arithmetic number, because the mean of its divisors is an integer number (781812).
Almost surely, 27985089 is an apocalyptic number.
It is an amenable number.
7985089 is a deficient number, since it is larger than the sum of its proper divisors (1396655).
7985089 is a wasteful number, since it uses less digits than its factorization.
7985089 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1644 (or 1637 counting only the distinct ones).
The product of its (nonzero) digits is 181440, while the sum is 46.
The square root of 7985089 is about 2825.7899780415. The cubic root of 7985089 is about 199.8756643860.
The spelling of 7985089 in words is "seven million, nine hundred eighty-five thousand, eighty-nine".
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