Base | Representation |
---|---|
bin | 1010001101101… |
… | …01111110111010 |
3 | 12222012222221111 |
4 | 11012311332322 |
5 | 133413230213 |
6 | 12300230534 |
7 | 2060161042 |
oct | 506657672 |
9 | 188188844 |
10 | 85680058 |
11 | 44400772 |
12 | 2483b44a |
13 | 1499b879 |
14 | b544722 |
15 | 77c6a3d |
hex | 51b5fba |
85680058 has 8 divisors (see below), whose sum is σ = 128567700. Its totient is φ = 42824160.
The previous prime is 85680043. The next prime is 85680059. The reversal of 85680058 is 85008658.
It can be written as a sum of positive squares in 2 ways, for example, as 85433049 + 247009 = 9243^2 + 497^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-3 number, since 3×856800583 (a number of 25 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 85680058.
It is not an unprimeable number, because it can be changed into a prime (85680059) 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 3 ways as a sum of consecutive naturals, for example, 688 + ... + 13108.
Almost surely, 285680058 is an apocalyptic number.
85680058 is a deficient number, since it is larger than the sum of its proper divisors (42887642).
85680058 is a wasteful number, since it uses less digits than its factorization.
85680058 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15872.
The product of its (nonzero) digits is 76800, while the sum is 40.
The square root of 85680058 is about 9256.3523053090. The cubic root of 85680058 is about 440.8524417929.
The spelling of 85680058 in words is "eighty-five million, six hundred eighty thousand, fifty-eight".
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