Base | Representation |
---|---|
bin | 10000001101110… |
… | …100000110010000 |
3 | 200221220220122211 |
4 | 100031310012100 |
5 | 1024121303340 |
6 | 42555041504 |
7 | 6512305165 |
oct | 2015640620 |
9 | 627826584 |
10 | 272056720 |
11 | 12a629271 |
12 | 77140294 |
13 | 44496010 |
14 | 281bc06c |
15 | 18d3e5ea |
hex | 10374190 |
272056720 has 40 divisors (see below), whose sum is σ = 681190776. Its totient is φ = 100451328.
The previous prime is 272056711. The next prime is 272056723. The reversal of 272056720 is 27650272.
It can be written as a sum of positive squares in 4 ways, for example, as 4145296 + 267911424 = 2036^2 + 16368^2 .
It is a tau number, because it is divible by the number of its divisors (40).
It is not an unprimeable number, because it can be changed into a prime (272056723) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129757 + ... + 131836.
Almost surely, 2272056720 is an apocalyptic number.
272056720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
272056720 is an abundant number, since it is smaller than the sum of its proper divisors (409134056).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
272056720 is a wasteful number, since it uses less digits than its factorization.
272056720 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 261619 (or 261613 counting only the distinct ones).
The product of its (nonzero) digits is 11760, while the sum is 31.
The square root of 272056720 is about 16494.1419904159. The cubic root of 272056720 is about 647.9673940816.
The spelling of 272056720 in words is "two hundred seventy-two million, fifty-six thousand, seven hundred twenty".
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