Base | Representation |
---|---|
bin | 1000001010110000101111 |
3 | 11000210012212 |
4 | 20022300233 |
5 | 1022004411 |
6 | 113521035 |
7 | 24125441 |
oct | 10126057 |
9 | 4023185 |
10 | 2141231 |
11 | 1232814 |
12 | 87317b |
13 | 59c801 |
14 | 3da491 |
15 | 2c468b |
hex | 20ac2f |
2141231 has 4 divisors (see below), whose sum is σ = 2234352. Its totient is φ = 2048112.
The previous prime is 2141219. The next prime is 2141257. The reversal of 2141231 is 1321412.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2141231 - 210 = 2140207 is a prime.
It is a super-2 number, since 2×21412312 = 9169740390722, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2141261) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46526 + ... + 46571.
It is an arithmetic number, because the mean of its divisors is an integer number (558588).
22141231 is an apocalyptic number.
2141231 is a deficient number, since it is larger than the sum of its proper divisors (93121).
2141231 is an equidigital number, since it uses as much as digits as its factorization.
2141231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 93120.
The product of its digits is 48, while the sum is 14.
The square root of 2141231 is about 1463.2945704813. The cubic root of 2141231 is about 128.8905788467.
Adding to 2141231 its reverse (1321412), we get a palindrome (3462643).
The spelling of 2141231 in words is "two million, one hundred forty-one thousand, two hundred thirty-one".
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