Base | Representation |
---|---|
bin | 1010001100000… |
… | …11111001001101 |
3 | 12221211120111210 |
4 | 11012003321031 |
5 | 133340144033 |
6 | 12252005033 |
7 | 2055344640 |
oct | 506037115 |
9 | 187746453 |
10 | 85474893 |
11 | 44280609 |
12 | 24760779 |
13 | 1492937a |
14 | b4cda57 |
15 | 7785d63 |
hex | 5183e4d |
85474893 has 32 divisors (see below), whose sum is σ = 133632000. Its totient is φ = 47589696.
The previous prime is 85474891. The next prime is 85474931. The reversal of 85474893 is 39847458.
It is not a de Polignac number, because 85474893 - 21 = 85474891 is a prime.
It is a super-2 number, since 2×854748932 = 14611914666722898, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85474891) 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 31 ways as a sum of consecutive naturals, for example, 184380 + ... + 184842.
It is an arithmetic number, because the mean of its divisors is an integer number (4176000).
Almost surely, 285474893 is an apocalyptic number.
It is an amenable number.
85474893 is a deficient number, since it is larger than the sum of its proper divisors (48157107).
85474893 is a wasteful number, since it uses less digits than its factorization.
85474893 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 681.
The product of its digits is 967680, while the sum is 48.
The square root of 85474893 is about 9245.2632736986. The cubic root of 85474893 is about 440.5002797957.
The spelling of 85474893 in words is "eighty-five million, four hundred seventy-four thousand, eight hundred ninety-three".
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