Base | Representation |
---|---|
bin | 11010101000010000010001 |
3 | 111010122121200 |
4 | 122220100101 |
5 | 3241340000 |
6 | 405341413 |
7 | 113222451 |
oct | 32502021 |
9 | 14118550 |
10 | 6980625 |
11 | 3a38713 |
12 | 2407869 |
13 | 15a5462 |
14 | cd9d61 |
15 | 92d500 |
hex | 6a8411 |
6980625 has 60 divisors (see below), whose sum is σ = 13523796. Its totient is φ = 3456000.
The previous prime is 6980621. The next prime is 6980629. The reversal of 6980625 is 5260896.
It is an interprime number because it is at equal distance from previous prime (6980621) and next prime (6980629).
It can be written as a sum of positive squares in 10 ways, for example, as 4198401 + 2782224 = 2049^2 + 1668^2 .
It is not a de Polignac number, because 6980625 - 22 = 6980621 is a prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 6980625.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6980621) by changing a digit.
It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 95589 + ... + 95661.
Almost surely, 26980625 is an apocalyptic number.
It is an amenable number.
6980625 is a deficient number, since it is larger than the sum of its proper divisors (6543171).
6980625 is a wasteful number, since it uses less digits than its factorization.
6980625 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 116 (or 98 counting only the distinct ones).
The product of its (nonzero) digits is 25920, while the sum is 36.
The square root of 6980625 is about 2642.0872430713. The cubic root of 6980625 is about 191.1164645181.
The spelling of 6980625 in words is "six million, nine hundred eighty thousand, six hundred twenty-five".
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