Base | Representation |
---|---|
bin | 1010001001101… |
… | …01110000011100 |
3 | 12221020022111010 |
4 | 11010311300130 |
5 | 133244423334 |
6 | 12241055220 |
7 | 2052542565 |
oct | 504656034 |
9 | 187208433 |
10 | 85154844 |
11 | 44082105 |
12 | 24627510 |
13 | 148467a8 |
14 | b44916c |
15 | 77210e9 |
hex | 5135c1c |
85154844 has 48 divisors (see below), whose sum is σ = 203938560. Its totient is φ = 27646080.
The previous prime is 85154813. The next prime is 85154851. The reversal of 85154844 is 44845158.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75267 + ... + 76389.
It is an arithmetic number, because the mean of its divisors is an integer number (4248720).
Almost surely, 285154844 is an apocalyptic number.
It is an amenable number.
85154844 is an abundant number, since it is smaller than the sum of its proper divisors (118783716).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85154844 is a wasteful number, since it uses less digits than its factorization.
85154844 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1290 (or 1288 counting only the distinct ones).
The product of its digits is 102400, while the sum is 39.
The square root of 85154844 is about 9227.9382312627. The cubic root of 85154844 is about 439.9497945471.
The spelling of 85154844 in words is "eighty-five million, one hundred fifty-four thousand, eight hundred forty-four".
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