Base | Representation |
---|---|
bin | 1010011011011… |
… | …10011001000001 |
3 | 20002121122110000 |
4 | 11031232121001 |
5 | 134343441334 |
6 | 12403030213 |
7 | 2111413206 |
oct | 515563101 |
9 | 202548400 |
10 | 87483969 |
11 | 45423001 |
12 | 2536b369 |
13 | 15180981 |
14 | b893cad |
15 | 7a31299 |
hex | 536e641 |
87483969 has 10 divisors (see below), whose sum is σ = 130686050. Its totient is φ = 58322592.
The previous prime is 87483941. The next prime is 87483983. The reversal of 87483969 is 96938478.
It can be written as a sum of positive squares in only one way, i.e., 55130625 + 32353344 = 7425^2 + 5688^2 .
It is not a de Polignac number, because 87483969 - 25 = 87483937 is a prime.
It is a super-2 number, since 2×874839692 = 15306889663985922, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (87483919) 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 9 ways as a sum of consecutive naturals, for example, 539944 + ... + 540105.
It is an arithmetic number, because the mean of its divisors is an integer number (13068605).
Almost surely, 287483969 is an apocalyptic number.
It is an amenable number.
87483969 is a deficient number, since it is larger than the sum of its proper divisors (43202081).
87483969 is a wasteful number, since it uses less digits than its factorization.
87483969 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1080061 (or 1080052 counting only the distinct ones).
The product of its digits is 2612736, while the sum is 54.
The square root of 87483969 is about 9353.2865346893. The cubic root of 87483969 is about 443.9248868553.
The spelling of 87483969 in words is "eighty-seven million, four hundred eighty-three thousand, nine hundred sixty-nine".
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