Base | Representation |
---|---|
bin | 1010010101110… |
… | …00101011001100 |
3 | 20001012211110000 |
4 | 11022320223030 |
5 | 134201132120 |
6 | 12335044300 |
7 | 2102163210 |
oct | 512705314 |
9 | 201184400 |
10 | 86739660 |
11 | 44a64877 |
12 | 25070690 |
13 | 14c7cc57 |
14 | b73c940 |
15 | 7935990 |
hex | 52b8acc |
86739660 has 120 divisors (see below), whose sum is σ = 311018400. Its totient is φ = 19823616.
The previous prime is 86739659. The next prime is 86739671. The reversal of 86739660 is 6693768.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is an unprimeable number.
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 39 ways as a sum of consecutive naturals, for example, 7516 + ... + 15164.
It is an arithmetic number, because the mean of its divisors is an integer number (2591820).
Almost surely, 286739660 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 86739660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155509200).
86739660 is an abundant number, since it is smaller than the sum of its proper divisors (224278740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
86739660 is a wasteful number, since it uses less digits than its factorization.
86739660 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7677 (or 7666 counting only the distinct ones).
The product of its (nonzero) digits is 326592, while the sum is 45.
The square root of 86739660 is about 9313.4129082737. The cubic root of 86739660 is about 442.6623363010.
The spelling of 86739660 in words is "eighty-six million, seven hundred thirty-nine thousand, six hundred sixty".
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