Base | Representation |
---|---|
bin | 111010110011010… |
… | …111000000000001 |
3 | 2112202100112022121 |
4 | 322303113000001 |
5 | 4010023321311 |
6 | 241521004241 |
7 | 33306316660 |
oct | 7263270001 |
9 | 2482315277 |
10 | 986542081 |
11 | 466971738 |
12 | 236483681 |
13 | 129507715 |
14 | 95046dd7 |
15 | 5b923b71 |
hex | 3acd7001 |
986542081 has 16 divisors (see below), whose sum is σ = 1151993728. Its totient is φ = 827366400.
The previous prime is 986542031. The next prime is 986542133. The reversal of 986542081 is 180245689.
It is a happy number.
It is not a de Polignac number, because 986542081 - 27 = 986541953 is a prime.
It is a super-2 number, since 2×9865420812 = 1946530555167621122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (986542031) 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 15 ways as a sum of consecutive naturals, for example, 76426 + ... + 88396.
It is an arithmetic number, because the mean of its divisors is an integer number (71999608).
Almost surely, 2986542081 is an apocalyptic number.
It is an amenable number.
986542081 is a deficient number, since it is larger than the sum of its proper divisors (165451647).
986542081 is a wasteful number, since it uses less digits than its factorization.
986542081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12232.
The product of its (nonzero) digits is 138240, while the sum is 43.
The square root of 986542081 is about 31409.2674381304. The cubic root of 986542081 is about 995.4937512237.
The spelling of 986542081 in words is "nine hundred eighty-six million, five hundred forty-two thousand, eighty-one".
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