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6980625 = 32541773
BaseRepresentation
bin11010101000010000010001
3111010122121200
4122220100101
53241340000
6405341413
7113222451
oct32502021
914118550
106980625
113a38713
122407869
1315a5462
14cd9d61
1592d500
hex6a8411

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".

Divisors: 1 3 5 9 15 17 25 45 51 73 75 85 125 153 219 225 255 365 375 425 625 657 765 1095 1125 1241 1275 1825 1875 2125 3285 3723 3825 5475 5625 6205 6375 9125 10625 11169 16425 18615 19125 27375 31025 31875 45625 55845 82125 93075 95625 136875 155125 279225 410625 465375 775625 1396125 2326875 6980625