Base | Representation |
---|---|
bin | 110010110011011… |
… | …101001000100000 |
3 | 2012101211211122222 |
4 | 302303131020200 |
5 | 3221200140342 |
6 | 220324450212 |
7 | 30056564612 |
oct | 6263351040 |
9 | 2171754588 |
10 | 852349472 |
11 | 3a8146857 |
12 | 1b9549968 |
13 | 107781800 |
14 | 812b4db2 |
15 | 4ec67ed2 |
hex | 32cdd220 |
852349472 has 54 divisors (see below), whose sum is σ = 1821662703. Its totient is φ = 392401152.
The previous prime is 852349457. The next prime is 852349489. The reversal of 852349472 is 274943258.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 5 ways, for example, as 246992656 + 605356816 = 15716^2 + 24604^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=20644.
It is an alternating number because its digits alternate between even and odd.
It is a Duffinian number.
It is an unprimeable number.
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 8 ways as a sum of consecutive naturals, for example, 2146778 + ... + 2147174.
Almost surely, 2852349472 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 852349472
852349472 is an abundant number, since it is smaller than the sum of its proper divisors (969313231).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
852349472 is an equidigital number, since it uses as much as digits as its factorization.
852349472 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 830 (or 412 counting only the distinct ones).
The product of its digits is 483840, while the sum is 44.
The square root of 852349472 is about 29195.0247816302. The cubic root of 852349472 is about 948.1402108246.
The spelling of 852349472 in words is "eight hundred fifty-two million, three hundred forty-nine thousand, four hundred seventy-two".
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