Base | Representation |
---|---|
bin | 1010001011010… |
… | …10000010001001 |
3 | 12221122012012200 |
4 | 11011222002021 |
5 | 133323301334 |
6 | 12245430413 |
7 | 2054424060 |
oct | 505520211 |
9 | 187565180 |
10 | 85368969 |
11 | 44208a74 |
12 | 2470b409 |
13 | 148c00aa |
14 | b4a31d7 |
15 | 7764799 |
hex | 516a089 |
85368969 has 12 divisors (see below), whose sum is σ = 140926656. Its totient is φ = 48782232.
The previous prime is 85368949. The next prime is 85368973. The reversal of 85368969 is 96986358.
It is not a de Polignac number, because 85368969 - 27 = 85368841 is a prime.
It is a super-2 number, since 2×853689692 = 14575721736245922, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (85368949) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 677469 + ... + 677594.
It is an arithmetic number, because the mean of its divisors is an integer number (11743888).
Almost surely, 285368969 is an apocalyptic number.
It is an amenable number.
85368969 is a deficient number, since it is larger than the sum of its proper divisors (55557687).
85368969 is a wasteful number, since it uses less digits than its factorization.
85368969 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1355076 (or 1355073 counting only the distinct ones).
The product of its digits is 2799360, while the sum is 54.
The square root of 85368969 is about 9239.5329427412. The cubic root of 85368969 is about 440.3182425626.
The spelling of 85368969 in words is "eighty-five million, three hundred sixty-eight thousand, nine hundred sixty-nine".
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