Base | Representation |
---|---|
bin | 101100011001010… |
… | …0010001001100110 |
3 | 10211211000122210010 |
4 | 1120302202021212 |
5 | 11022322021321 |
6 | 403452111050 |
7 | 51625514562 |
oct | 13062421146 |
9 | 3754018703 |
10 | 1489642086 |
11 | 6a4956169 |
12 | 356a65486 |
13 | 1a980682a |
14 | 101ba86a2 |
15 | 8aba0676 |
hex | 58ca2266 |
1489642086 has 8 divisors (see below), whose sum is σ = 2979284184. Its totient is φ = 496547360.
The previous prime is 1489642067. The next prime is 1489642087. The reversal of 1489642086 is 6802469841.
It is a sphenic number, since it is the product of 3 distinct primes.
1489642086 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1489642087) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124136835 + ... + 124136846.
It is an arithmetic number, because the mean of its divisors is an integer number (372410523).
Almost surely, 21489642086 is an apocalyptic number.
1489642086 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1489642086 is a wasteful number, since it uses less digits than its factorization.
1489642086 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 248273686.
The product of its (nonzero) digits is 663552, while the sum is 48.
The square root of 1489642086 is about 38595.8817233134. The cubic root of 1489642086 is about 1142.0732984484.
The spelling of 1489642086 in words is "one billion, four hundred eighty-nine million, six hundred forty-two thousand, eighty-six".
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