Base | Representation |
---|---|
bin | 1010001011100… |
… | …01100110010010 |
3 | 12221200202201021 |
4 | 11011301212102 |
5 | 133330244304 |
6 | 12250230054 |
7 | 2054613313 |
oct | 505614622 |
9 | 187622637 |
10 | 85399954 |
11 | 4422a282 |
12 | 2472532a |
13 | 14901223 |
14 | b4b060a |
15 | 776da54 |
hex | 5171992 |
85399954 has 8 divisors (see below), whose sum is σ = 132517260. Its totient is φ = 41227536.
The previous prime is 85399949. The next prime is 85399957. The reversal of 85399954 is 45999358.
It can be written as a sum of positive squares in 2 ways, for example, as 84548025 + 851929 = 9195^2 + 923^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-3 number, since 3×853999543 (a number of 25 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (85399957) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 736149 + ... + 736264.
Almost surely, 285399954 is an apocalyptic number.
85399954 is a deficient number, since it is larger than the sum of its proper divisors (47117306).
85399954 is a wasteful number, since it uses less digits than its factorization.
85399954 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1472444.
The product of its digits is 1749600, while the sum is 52.
The square root of 85399954 is about 9241.2095528670. The cubic root of 85399954 is about 440.3715078596.
The spelling of 85399954 in words is "eighty-five million, three hundred ninety-nine thousand, nine hundred fifty-four".
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