Base | Representation |
---|---|
bin | 1010001000111… |
… | …11111011111110 |
3 | 12221001202212222 |
4 | 11010133323332 |
5 | 133234043340 |
6 | 12235125342 |
7 | 2052021200 |
oct | 504377376 |
9 | 187052788 |
10 | 85065470 |
11 | 44020a46 |
12 | 245a3852 |
13 | 14814bc9 |
14 | b424770 |
15 | 77048b5 |
hex | 511fefe |
85065470 has 48 divisors (see below), whose sum is σ = 187511760. Its totient is φ = 27627264.
The previous prime is 85065419. The next prime is 85065473. The reversal of 85065470 is 7456058.
It is a super-2 number, since 2×850654702 = 14472268372641800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (35).
It is a self number, because there is not a number n which added to its sum of digits gives 85065470.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85065473) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4742 + ... + 13878.
It is an arithmetic number, because the mean of its divisors is an integer number (3906495).
Almost surely, 285065470 is an apocalyptic number.
85065470 is an abundant number, since it is smaller than the sum of its proper divisors (102446290).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85065470 is a wasteful number, since it uses less digits than its factorization.
85065470 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9177 (or 9170 counting only the distinct ones).
The product of its (nonzero) digits is 33600, while the sum is 35.
The square root of 85065470 is about 9223.0943831233. The cubic root of 85065470 is about 439.7958246917.
The spelling of 85065470 in words is "eighty-five million, sixty-five thousand, four hundred seventy".
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