Base | Representation |
---|---|
bin | 10000010000110… |
… | …000100001000000 |
3 | 201000101010022112 |
4 | 100100300201000 |
5 | 1024321002410 |
6 | 43023354452 |
7 | 6522001211 |
oct | 2020604100 |
9 | 630333275 |
10 | 272828480 |
11 | 130006091 |
12 | 77452a28 |
13 | 446a6392 |
14 | 2833d408 |
15 | 18e43105 |
hex | 10430840 |
272828480 has 28 divisors (see below), whose sum is σ = 649673580. Its totient is φ = 109131264.
The previous prime is 272828459. The next prime is 272828483. The reversal of 272828480 is 84828272.
It can be written as a sum of positive squares in 2 ways, for example, as 143233024 + 129595456 = 11968^2 + 11384^2 .
It is a super-2 number, since 2×2728284802 = 148870758998220800, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (272828483) 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, 425975 + ... + 426614.
Almost surely, 2272828480 is an apocalyptic number.
272828480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
272828480 is an abundant number, since it is smaller than the sum of its proper divisors (376845100).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
272828480 is an equidigital number, since it uses as much as digits as its factorization.
272828480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 852606 (or 852596 counting only the distinct ones).
The product of its (nonzero) digits is 114688, while the sum is 41.
The square root of 272828480 is about 16517.5203950230. The cubic root of 272828480 is about 648.5795252517.
The spelling of 272828480 in words is "two hundred seventy-two million, eight hundred twenty-eight thousand, four hundred eighty".
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