Base | Representation |
---|---|
bin | 111100011011010110010 |
3 | 10201121011101 |
4 | 13203122302 |
5 | 1001330312 |
6 | 110235014 |
7 | 22554556 |
oct | 7433262 |
9 | 3647141 |
10 | 1980082 |
11 | 1132735 |
12 | 7b5a6a |
13 | 544360 |
14 | 397866 |
15 | 291a57 |
hex | 1e36b2 |
1980082 has 8 divisors (see below), whose sum is σ = 3198636. Its totient is φ = 913872.
The previous prime is 1980079. The next prime is 1980089. The reversal of 1980082 is 2800891.
It can be written as a sum of positive squares in 2 ways, for example, as 1687401 + 292681 = 1299^2 + 541^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-3 number, since 3×19800823 = 23290069375023334104, which contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 1980082.
It is not an unprimeable number, because it can be changed into a prime (1980089) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38053 + ... + 38104.
21980082 is an apocalyptic number.
1980082 is a deficient number, since it is larger than the sum of its proper divisors (1218554).
1980082 is a wasteful number, since it uses less digits than its factorization.
1980082 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 76172.
The product of its (nonzero) digits is 1152, while the sum is 28.
The square root of 1980082 is about 1407.1538650766. The cubic root of 1980082 is about 125.5724570084.
The spelling of 1980082 in words is "one million, nine hundred eighty thousand, eighty-two".
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