Base | Representation |
---|---|
bin | 1000001000010100011011 |
3 | 11000021111100 |
4 | 20020110123 |
5 | 1021144402 |
6 | 113402443 |
7 | 24054330 |
oct | 10102433 |
9 | 4007440 |
10 | 2131227 |
11 | 122624a |
12 | 869423 |
13 | 5980a7 |
14 | 3d6987 |
15 | 2c171c |
hex | 20851b |
2131227 has 12 divisors (see below), whose sum is σ = 3518320. Its totient is φ = 1217808.
The previous prime is 2131223. The next prime is 2131231. The reversal of 2131227 is 7221312.
It is an interprime number because it is at equal distance from previous prime (2131223) and next prime (2131231).
It is not a de Polignac number, because 2131227 - 22 = 2131223 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2131223) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16852 + ... + 16977.
22131227 is an apocalyptic number.
2131227 is a deficient number, since it is larger than the sum of its proper divisors (1387093).
2131227 is a wasteful number, since it uses less digits than its factorization.
2131227 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33842 (or 33839 counting only the distinct ones).
The product of its digits is 168, while the sum is 18.
The square root of 2131227 is about 1459.8722546853. The cubic root of 2131227 is about 128.6895364444.
Adding to 2131227 its reverse (7221312), we get a palindrome (9352539).
The spelling of 2131227 in words is "two million, one hundred thirty-one thousand, two hundred twenty-seven".
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