Base | Representation |
---|---|
bin | 1010010001011… |
… | …10110010010101 |
3 | 20000011010200211 |
4 | 11020232302111 |
5 | 134030043434 |
6 | 12315005421 |
7 | 2064321454 |
oct | 510566225 |
9 | 200133624 |
10 | 86174869 |
11 | 44709500 |
12 | 24a39871 |
13 | 14b12b61 |
14 | b632b9b |
15 | 7873464 |
hex | 522ec95 |
86174869 has 12 divisors (see below), whose sum is σ = 96334560. Its totient is φ = 77006600.
The previous prime is 86174849. The next prime is 86174929. The reversal of 86174869 is 96847168.
It is not a de Polignac number, because 86174869 - 27 = 86174741 is a prime.
It is a super-2 number, since 2×861748692 = 14852216094334322, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (86174849) 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 11 ways as a sum of consecutive naturals, for example, 1104 + ... + 13174.
It is an arithmetic number, because the mean of its divisors is an integer number (8027880).
Almost surely, 286174869 is an apocalyptic number.
It is an amenable number.
86174869 is a deficient number, since it is larger than the sum of its proper divisors (10159691).
86174869 is a wasteful number, since it uses less digits than its factorization.
86174869 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12152 (or 12141 counting only the distinct ones).
The product of its digits is 580608, while the sum is 49.
The square root of 86174869 is about 9283.0420121854. The cubic root of 86174869 is about 441.6994691352.
The spelling of 86174869 in words is "eighty-six million, one hundred seventy-four thousand, eight hundred sixty-nine".
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