Base | Representation |
---|---|
bin | 1000001010110011001011 |
3 | 11000210102122 |
4 | 20022303023 |
5 | 1022011022 |
6 | 113521455 |
7 | 24126053 |
oct | 10126313 |
9 | 4023378 |
10 | 2141387 |
11 | 1232946 |
12 | 87328b |
13 | 59c8c1 |
14 | 3da563 |
15 | 2c4742 |
hex | 20accb |
2141387 has 8 divisors (see below), whose sum is σ = 2245632. Its totient is φ = 2039400.
The previous prime is 2141333. The next prime is 2141401. The reversal of 2141387 is 7831412.
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 2141387 - 28 = 2141131 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2141687) 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, 1562 + ... + 2592.
It is an arithmetic number, because the mean of its divisors is an integer number (280704).
22141387 is an apocalyptic number.
2141387 is a deficient number, since it is larger than the sum of its proper divisors (104245).
2141387 is a wasteful number, since it uses less digits than its factorization.
2141387 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1129.
The product of its digits is 1344, while the sum is 26.
The square root of 2141387 is about 1463.3478738837. The cubic root of 2141387 is about 128.8937088907.
Adding to 2141387 its reverse (7831412), we get a palindrome (9972799).
The spelling of 2141387 in words is "two million, one hundred forty-one thousand, three hundred eighty-seven".
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