Base | Representation |
---|---|
bin | 1010010111101… |
… | …11110101101100 |
3 | 20001200222100020 |
4 | 11023313311230 |
5 | 134232422010 |
6 | 12344402140 |
7 | 2104321410 |
oct | 513676554 |
9 | 201628306 |
10 | 86998380 |
11 | 45121197 |
12 | 25176350 |
13 | 15040941 |
14 | b7a8d40 |
15 | 7987470 |
hex | 52f7d6c |
86998380 has 48 divisors (see below), whose sum is σ = 278396160. Its totient is φ = 19885248.
The previous prime is 86998343. The next prime is 86998409. The reversal of 86998380 is 8389968.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103150 + ... + 103989.
It is an arithmetic number, because the mean of its divisors is an integer number (5799920).
Almost surely, 286998380 is an apocalyptic number.
It is an amenable number.
86998380 is an abundant number, since it is smaller than the sum of its proper divisors (191397780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
86998380 is a wasteful number, since it uses less digits than its factorization.
86998380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 207158 (or 207156 counting only the distinct ones).
The product of its (nonzero) digits is 746496, while the sum is 51.
The square root of 86998380 is about 9327.2922115692. The cubic root of 86998380 is about 443.1020118469.
It can be divided in two parts, 86998 and 380, that added together give a palindrome (87378).
The spelling of 86998380 in words is "eighty-six million, nine hundred ninety-eight thousand, three hundred eighty".
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