Base | Representation |
---|---|
bin | 1010001001100… |
… | …00010001111000 |
3 | 12221012011201011 |
4 | 11010300101320 |
5 | 133243214113 |
6 | 12240403304 |
7 | 2052420304 |
oct | 504602170 |
9 | 187164634 |
10 | 85132408 |
11 | 44067269 |
12 | 24616534 |
13 | 1483950a |
14 | b440d04 |
15 | 771963d |
hex | 5130478 |
85132408 has 24 divisors (see below), whose sum is σ = 161979840. Its totient is φ = 41946800.
The previous prime is 85132403. The next prime is 85132451. The reversal of 85132408 is 80423158.
It is a self number, because there is not a number n which added to its sum of digits gives 85132408.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85132403) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39273 + ... + 41383.
It is an arithmetic number, because the mean of its divisors is an integer number (6749160).
Almost surely, 285132408 is an apocalyptic number.
It is an amenable number.
85132408 is a deficient number, since it is larger than the sum of its proper divisors (76847432).
85132408 is a wasteful number, since it uses less digits than its factorization.
85132408 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2259 (or 2184 counting only the distinct ones).
The product of its (nonzero) digits is 7680, while the sum is 31.
The square root of 85132408 is about 9226.7224950141. The cubic root of 85132408 is about 439.9111528596.
The spelling of 85132408 in words is "eighty-five million, one hundred thirty-two thousand, four hundred eight".
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