Base | Representation |
---|---|
bin | 1000000100010000010101 |
3 | 10222102122211 |
4 | 20010100111 |
5 | 1020131311 |
6 | 113153421 |
7 | 23654650 |
oct | 10042025 |
9 | 3872584 |
10 | 2114581 |
11 | 1214797 |
12 | 85b871 |
13 | 590641 |
14 | 3d0897 |
15 | 2bb821 |
hex | 204415 |
2114581 has 8 divisors (see below), whose sum is σ = 2427264. Its totient is φ = 1804560.
The previous prime is 2114549. The next prime is 2114621. The reversal of 2114581 is 1854112.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2114581 - 25 = 2114549 is a prime.
It is a super-2 number, since 2×21145812 = 8942905611122, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2114531) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1536 + ... + 2566.
It is an arithmetic number, because the mean of its divisors is an integer number (303408).
22114581 is an apocalyptic number.
It is an amenable number.
2114581 is a deficient number, since it is larger than the sum of its proper divisors (312683).
2114581 is a wasteful number, since it uses less digits than its factorization.
2114581 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1331.
The product of its digits is 320, while the sum is 22.
The square root of 2114581 is about 1454.1598949222. The cubic root of 2114581 is about 128.3536161042.
Adding to 2114581 its reverse (1854112), we get a palindrome (3968693).
The spelling of 2114581 in words is "two million, one hundred fourteen thousand, five hundred eighty-one".
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