Base | Representation |
---|---|
bin | 10000010101010… |
… | …110010111010001 |
3 | 201002122021100100 |
4 | 100111112113101 |
5 | 1030123011311 |
6 | 43105243013 |
7 | 6535143231 |
oct | 2025262721 |
9 | 632567310 |
10 | 274032081 |
11 | 1307583a4 |
12 | 77933469 |
13 | 44a0817b |
14 | 28573cc1 |
15 | 190cea56 |
hex | 105565d1 |
274032081 has 12 divisors (see below), whose sum is σ = 399906052. Its totient is φ = 180804096.
The previous prime is 274032071. The next prime is 274032113. The reversal of 274032081 is 180230472.
It can be written as a sum of positive squares in 2 ways, for example, as 201185856 + 72846225 = 14184^2 + 8535^2 .
It is not a de Polignac number, because 274032081 - 213 = 274023889 is a prime.
It is a super-2 number, since 2×2740320812 = 150187162834381122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (274032001) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 156076 + ... + 157821.
Almost surely, 2274032081 is an apocalyptic number.
It is an amenable number.
274032081 is a deficient number, since it is larger than the sum of its proper divisors (125873971).
274032081 is a wasteful number, since it uses less digits than its factorization.
274032081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 314000 (or 313997 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 27.
The square root of 274032081 is about 16553.9143709275. The cubic root of 274032081 is about 649.5318767501.
The spelling of 274032081 in words is "two hundred seventy-four million, thirty-two thousand, eighty-one".
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