Base | Representation |
---|---|
bin | 11010101100000000010001 |
3 | 111011102200120 |
4 | 122230000101 |
5 | 3242332420 |
6 | 405540453 |
7 | 113315313 |
oct | 32540021 |
9 | 14142616 |
10 | 6995985 |
11 | 3a49207 |
12 | 2414729 |
13 | 15ac449 |
14 | d017b3 |
15 | 932d40 |
hex | 6ac011 |
6995985 has 16 divisors (see below), whose sum is σ = 11352960. Its totient is φ = 3678080.
The previous prime is 6995983. The next prime is 6995999. The reversal of 6995985 is 5895996.
It is not a de Polignac number, because 6995985 - 21 = 6995983 is a prime.
It is a super-2 number, since 2×69959852 = 97887612240450, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (6995983) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2220 + ... + 4349.
It is an arithmetic number, because the mean of its divisors is an integer number (709560).
Almost surely, 26995985 is an apocalyptic number.
It is an amenable number.
6995985 is a deficient number, since it is larger than the sum of its proper divisors (4356975).
6995985 is a wasteful number, since it uses less digits than its factorization.
6995985 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6648.
The product of its digits is 874800, while the sum is 51.
The square root of 6995985 is about 2644.9924385525. The cubic root of 6995985 is about 191.2565378601.
The spelling of 6995985 in words is "six million, nine hundred ninety-five thousand, nine hundred eighty-five".
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