Base | Representation |
---|---|
bin | 10000001110101… |
… | …000011110110111 |
3 | 200222022210222202 |
4 | 100032220132313 |
5 | 1024200140122 |
6 | 43003415115 |
7 | 6514160561 |
oct | 2016503667 |
9 | 628283882 |
10 | 272271287 |
11 | 12a7654a2 |
12 | 7722449b |
13 | 4453c892 |
14 | 28236331 |
15 | 18d82e92 |
hex | 103a87b7 |
272271287 has 4 divisors (see below), whose sum is σ = 272339280. Its totient is φ = 272203296.
The previous prime is 272271281. The next prime is 272271319. The reversal of 272271287 is 782172272.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 272271287 - 210 = 272270263 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 272271287.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (272271281) 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, 27587 + ... + 36132.
It is an arithmetic number, because the mean of its divisors is an integer number (68084820).
Almost surely, 2272271287 is an apocalyptic number.
272271287 is a deficient number, since it is larger than the sum of its proper divisors (67993).
272271287 is an equidigital number, since it uses as much as digits as its factorization.
272271287 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 67992.
The product of its digits is 43904, while the sum is 38.
The square root of 272271287 is about 16500.6450479974. The cubic root of 272271287 is about 648.1376966628.
The spelling of 272271287 in words is "two hundred seventy-two million, two hundred seventy-one thousand, two hundred eighty-seven".
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