Base | Representation |
---|---|
bin | 10000010110000… |
… | …111000110110011 |
3 | 201010000102012210 |
4 | 100112013012303 |
5 | 1030200403411 |
6 | 43113423203 |
7 | 6536634264 |
oct | 2026070663 |
9 | 633012183 |
10 | 274231731 |
11 | 1308843a4 |
12 | 77a0ab03 |
13 | 44a77cc7 |
14 | 285c696b |
15 | 1911dca6 |
hex | 105871b3 |
274231731 has 16 divisors (see below), whose sum is σ = 386503040. Its totient is φ = 172471680.
The previous prime is 274231717. The next prime is 274231747. The reversal of 274231731 is 137132472.
It is not a de Polignac number, because 274231731 - 29 = 274231219 is a prime.
It is a super-3 number, since 3×2742317313 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (274231031) 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 15 ways as a sum of consecutive naturals, for example, 3756 + ... + 23718.
It is an arithmetic number, because the mean of its divisors is an integer number (24156440).
Almost surely, 2274231731 is an apocalyptic number.
274231731 is a deficient number, since it is larger than the sum of its proper divisors (112271309).
274231731 is a wasteful number, since it uses less digits than its factorization.
274231731 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20226.
The product of its digits is 7056, while the sum is 30.
The square root of 274231731 is about 16559.9435687444. The cubic root of 274231731 is about 649.6895803765.
The spelling of 274231731 in words is "two hundred seventy-four million, two hundred thirty-one thousand, seven hundred thirty-one".
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