Base | Representation |
---|---|
bin | 10000010000111… |
… | …110111011000010 |
3 | 201000111010021002 |
4 | 100100332323002 |
5 | 1024324344430 |
6 | 43024532002 |
7 | 6522335231 |
oct | 2020767302 |
9 | 630433232 |
10 | 272887490 |
11 | 130046457 |
12 | 77481002 |
13 | 446c71b5 |
14 | 28356b18 |
15 | 18e55845 |
hex | 1043eec2 |
272887490 has 16 divisors (see below), whose sum is σ = 491392440. Its totient is φ = 109111680.
The previous prime is 272887487. The next prime is 272887501. The reversal of 272887490 is 94788272.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 242206969 + 30680521 = 15563^2 + 5539^2 .
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 7 ways as a sum of consecutive naturals, for example, 36470 + ... + 43310.
Almost surely, 2272887490 is an apocalyptic number.
272887490 is a deficient number, since it is larger than the sum of its proper divisors (218504950).
272887490 is a wasteful number, since it uses less digits than its factorization.
272887490 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10837.
The product of its (nonzero) digits is 451584, while the sum is 47.
The square root of 272887490 is about 16519.3065835101. The cubic root of 272887490 is about 648.6262822457.
The spelling of 272887490 in words is "two hundred seventy-two million, eight hundred eighty-seven thousand, four hundred ninety".
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