Base | Representation |
---|---|
bin | 111010110101101… |
… | …110101101011000 |
3 | 2112210112002201101 |
4 | 322311232231120 |
5 | 4010203212410 |
6 | 241542201144 |
7 | 33314515432 |
oct | 7265565530 |
9 | 2483462641 |
10 | 987163480 |
11 | 467256596 |
12 | 2367231b4 |
13 | 129694504 |
14 | 95169652 |
15 | 5b9e7d3a |
hex | 3ad6eb58 |
987163480 has 128 divisors (see below), whose sum is σ = 2459937600. Its totient is φ = 354844672.
The previous prime is 987163447. The next prime is 987163511. The reversal of 987163480 is 84361789.
It is a happy number.
It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 987163480.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2228139 + ... + 2228581.
Almost surely, 2987163480 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 987163480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1229968800).
987163480 is an abundant number, since it is smaller than the sum of its proper divisors (1472774120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
987163480 is a wasteful number, since it uses less digits than its factorization.
987163480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 613 (or 609 counting only the distinct ones).
The product of its (nonzero) digits is 290304, while the sum is 46.
The square root of 987163480 is about 31419.1578499488. The cubic root of 987163480 is about 995.7027198353.
The spelling of 987163480 in words is "nine hundred eighty-seven million, one hundred sixty-three thousand, four hundred eighty".
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