Base | Representation |
---|---|
bin | 1000001010100… |
… | …1010000000000 |
3 | 2101102221222121 |
4 | 2002221100000 |
5 | 32231411210 |
6 | 3222014024 |
7 | 564046315 |
oct | 202512000 |
9 | 71387877 |
10 | 34247680 |
11 | 18371875 |
12 | b577314 |
13 | 71314cc |
14 | 4796d0c |
15 | 30176da |
hex | 20a9400 |
34247680 has 44 divisors (see below), whose sum is σ = 82166580. Its totient is φ = 13697024.
The previous prime is 34247659. The next prime is 34247683. The reversal of 34247680 is 8674243.
It can be written as a sum of positive squares in 2 ways, for example, as 20939776 + 13307904 = 4576^2 + 3648^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (34247683) 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, 1776 + ... + 8464.
Almost surely, 234247680 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 34247680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41083290).
34247680 is an abundant number, since it is smaller than the sum of its proper divisors (47918900).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
34247680 is an equidigital number, since it uses as much as digits as its factorization.
34247680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6714 (or 6696 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 34.
The square root of 34247680 is about 5852.1517410265. The cubic root of 34247680 is about 324.7459316116.
The spelling of 34247680 in words is "thirty-four million, two hundred forty-seven thousand, six hundred eighty".
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