Base | Representation |
---|---|
bin | 1010001000101… |
… | …11010110000000 |
3 | 12220222222121100 |
4 | 11010113112000 |
5 | 133231432042 |
6 | 12234254400 |
7 | 2051513445 |
oct | 504272600 |
9 | 186888540 |
10 | 85030272 |
11 | 43aa7558 |
12 | 24587400 |
13 | 14801b92 |
14 | b4159cc |
15 | 76e924c |
hex | 5117580 |
85030272 has 96 divisors (see below), whose sum is σ = 252682560. Its totient is φ = 27417600.
The previous prime is 85030271. The next prime is 85030289. The reversal of 85030272 is 27203058.
It is a tau number, because it is divible by the number of its divisors (96).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85030271) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34522 + ... + 36902.
It is an arithmetic number, because the mean of its divisors is an integer number (2632110).
Almost surely, 285030272 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 85030272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126341280).
85030272 is an abundant number, since it is smaller than the sum of its proper divisors (167652288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85030272 is a wasteful number, since it uses less digits than its factorization.
85030272 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2432 (or 2417 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 27.
The square root of 85030272 is about 9221.1860408518. The cubic root of 85030272 is about 439.7351574237.
The spelling of 85030272 in words is "eighty-five million, thirty thousand, two hundred seventy-two".
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