Base | Representation |
---|---|
bin | 111010111011001… |
… | …110001011111000 |
3 | 2112220020020112200 |
4 | 322323032023320 |
5 | 4011040300003 |
6 | 242033110200 |
7 | 33332662602 |
oct | 7273161370 |
9 | 2486206480 |
10 | 988603128 |
11 | 46804a187 |
12 | 2370b8360 |
13 | 129a79886 |
14 | 95422172 |
15 | 5bbce6a3 |
hex | 3aece2f8 |
988603128 has 48 divisors (see below), whose sum is σ = 2691377520. Its totient is φ = 327822336.
The previous prime is 988603103. The next prime is 988603129. The reversal of 988603128 is 821306889.
It is a super-2 number, since 2×9886031282 = 1954672289382768768, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (988603129) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21676 + ... + 49467.
It is an arithmetic number, because the mean of its divisors is an integer number (56070365).
Almost surely, 2988603128 is an apocalyptic number.
It is an amenable number.
988603128 is an abundant number, since it is smaller than the sum of its proper divisors (1702774392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
988603128 is a wasteful number, since it uses less digits than its factorization.
988603128 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 71348 (or 71341 counting only the distinct ones).
The product of its (nonzero) digits is 165888, while the sum is 45.
The square root of 988603128 is about 31442.0598561863. The cubic root of 988603128 is about 996.1865185116.
The spelling of 988603128 in words is "nine hundred eighty-eight million, six hundred three thousand, one hundred twenty-eight".
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