Base | Representation |
---|---|
bin | 10000010000011… |
… | …100101100011010 |
3 | 201000012222221111 |
4 | 100100130230122 |
5 | 1024310403130 |
6 | 43021530534 |
7 | 6521212414 |
oct | 2020345432 |
9 | 630188844 |
10 | 272747290 |
11 | 12aa60092 |
12 | 77413a4a |
13 | 4467843a |
14 | 2831b9b4 |
15 | 18e2902a |
hex | 1041cb1a |
272747290 has 16 divisors (see below), whose sum is σ = 491161320. Its totient is φ = 109050880.
The previous prime is 272747273. The next prime is 272747297. The reversal of 272747290 is 92747272.
It can be written as a sum of positive squares in 4 ways, for example, as 268206129 + 4541161 = 16377^2 + 2131^2 .
It is an alternating number because its digits alternate between even and odd.
It is not an unprimeable number, because it can be changed into a prime (272747297) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25926 + ... + 34894.
Almost surely, 2272747290 is an apocalyptic number.
272747290 is a deficient number, since it is larger than the sum of its proper divisors (218414030).
272747290 is a wasteful number, since it uses less digits than its factorization.
272747290 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12017.
The product of its (nonzero) digits is 98784, while the sum is 40.
The square root of 272747290 is about 16515.0625188039. The cubic root of 272747290 is about 648.5151827559.
The spelling of 272747290 in words is "two hundred seventy-two million, seven hundred forty-seven thousand, two hundred ninety".
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