Base | Representation |
---|---|
bin | 111100101110… |
… | …0000001110011 |
3 | 2012220100100110 |
4 | 1321130001303 |
5 | 31122143402 |
6 | 3054152403 |
7 | 534405105 |
oct | 171340163 |
9 | 65810313 |
10 | 31834227 |
11 | 16a73587 |
12 | a7b2703 |
13 | 6797b29 |
14 | 4329575 |
15 | 2bdc56c |
hex | 1e5c073 |
31834227 has 4 divisors (see below), whose sum is σ = 42445640. Its totient is φ = 21222816.
The previous prime is 31834211. The next prime is 31834259. The reversal of 31834227 is 72243813.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72243813 = 3 ⋅24081271.
It is not a de Polignac number, because 31834227 - 24 = 31834211 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 31834194 and 31834203.
It is not an unprimeable number, because it can be changed into a prime (31834207) 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 3 ways as a sum of consecutive naturals, for example, 5305702 + ... + 5305707.
It is an arithmetic number, because the mean of its divisors is an integer number (10611410).
Almost surely, 231834227 is an apocalyptic number.
31834227 is a deficient number, since it is larger than the sum of its proper divisors (10611413).
31834227 is a wasteful number, since it uses less digits than its factorization.
31834227 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10611412.
The product of its digits is 8064, while the sum is 30.
The square root of 31834227 is about 5642.1828222772. The cubic root of 31834227 is about 316.9310354940.
The spelling of 31834227 in words is "thirty-one million, eight hundred thirty-four thousand, two hundred twenty-seven".
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