Base | Representation |
---|---|
bin | 111011001111111… |
… | …1011101101011010 |
3 | 12010112221001112000 |
4 | 1312133323231122 |
5 | 13032422120042 |
6 | 525135301430 |
7 | 100160264646 |
oct | 16637735532 |
9 | 5115831460 |
10 | 1988082522 |
11 | 930247908 |
12 | 47597a876 |
13 | 258b63aba |
14 | 14c075c26 |
15 | b980b74c |
hex | 767fbb5a |
1988082522 has 32 divisors (see below), whose sum is σ = 4446120000. Its totient is φ = 658470384.
The previous prime is 1988082517. The next prime is 1988082529. The reversal of 1988082522 is 2252808891.
It is a super-2 number, since 2×19880825222 = 7904944228563760968, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1988082529) 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, 108772 + ... + 125727.
It is an arithmetic number, because the mean of its divisors is an integer number (138941250).
Almost surely, 21988082522 is an apocalyptic number.
1988082522 is an abundant number, since it is smaller than the sum of its proper divisors (2458037478).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1988082522 is a wasteful number, since it uses less digits than its factorization.
1988082522 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 234667 (or 234661 counting only the distinct ones).
The product of its (nonzero) digits is 184320, while the sum is 45.
The square root of 1988082522 is about 44587.9190140110. The cubic root of 1988082522 is about 1257.4135492004.
The spelling of 1988082522 in words is "one billion, nine hundred eighty-eight million, eighty-two thousand, five hundred twenty-two".
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