Base | Representation |
---|---|
bin | 10000010000111… |
… | …111001010101101 |
3 | 201000111011122020 |
4 | 100100333022231 |
5 | 1024324412433 |
6 | 43024540353 |
7 | 6522341163 |
oct | 2020771255 |
9 | 630434566 |
10 | 272888493 |
11 | 130047189 |
12 | 774816b9 |
13 | 446c77a7 |
14 | 28357233 |
15 | 18e55cb3 |
hex | 1043f2ad |
272888493 has 4 divisors (see below), whose sum is σ = 363851328. Its totient is φ = 181925660.
The previous prime is 272888477. The next prime is 272888503. The reversal of 272888493 is 394888272.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 272888493 - 24 = 272888477 is a prime.
It is a super-2 number, since 2×2728884932 = 148936259223622098, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (272888423) 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, 45481413 + ... + 45481418.
It is an arithmetic number, because the mean of its divisors is an integer number (90962832).
Almost surely, 2272888493 is an apocalyptic number.
It is an amenable number.
272888493 is a deficient number, since it is larger than the sum of its proper divisors (90962835).
272888493 is an equidigital number, since it uses as much as digits as its factorization.
272888493 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 90962834.
The product of its digits is 1548288, while the sum is 51.
The square root of 272888493 is about 16519.3369418993. The cubic root of 272888493 is about 648.6270769216.
The spelling of 272888493 in words is "two hundred seventy-two million, eight hundred eighty-eight thousand, four hundred ninety-three".
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