Base | Representation |
---|---|
bin | 1010010110111… |
… | …11110101100110 |
3 | 20001111222111010 |
4 | 11023133311212 |
5 | 134221300240 |
6 | 12342323050 |
7 | 2103431655 |
oct | 513376546 |
9 | 201458433 |
10 | 86900070 |
11 | 45064344 |
12 | 25129486 |
13 | 15007c7a |
14 | b78119c |
15 | 7968280 |
hex | 52dfd66 |
86900070 has 32 divisors (see below), whose sum is σ = 210592512. Its totient is φ = 22947552.
The previous prime is 86900057. The next prime is 86900071. The reversal of 86900070 is 7000968.
It is a happy number.
It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (86900071) by changing a digit.
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, 10972 + ... + 17151.
It is an arithmetic number, because the mean of its divisors is an integer number (6581016).
Almost surely, 286900070 is an apocalyptic number.
86900070 is an abundant number, since it is smaller than the sum of its proper divisors (123692442).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
86900070 is a wasteful number, since it uses less digits than its factorization.
86900070 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28236.
The product of its (nonzero) digits is 3024, while the sum is 30.
The square root of 86900070 is about 9322.0207036887. The cubic root of 86900070 is about 442.9350440730.
The spelling of 86900070 in words is "eighty-six million, nine hundred thousand, seventy".
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