Base | Representation |
---|---|
bin | 101110010011… |
… | …111011110011 |
3 | 211211210022211 |
4 | 232103323303 |
5 | 11101442100 |
6 | 1112112551 |
7 | 205122250 |
oct | 56237363 |
9 | 24753284 |
10 | 12140275 |
11 | 6942194 |
12 | 4095757 |
13 | 2690ac4 |
14 | 1880427 |
15 | 10ec1ba |
hex | b93ef3 |
12140275 has 24 divisors (see below), whose sum is σ = 17347104. Its totient is φ = 8256000.
The previous prime is 12140273. The next prime is 12140287. The reversal of 12140275 is 57204121.
It is a happy number.
It is not a de Polignac number, because 12140275 - 21 = 12140273 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12140273) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30075 + ... + 30475.
It is an arithmetic number, because the mean of its divisors is an integer number (722796).
Almost surely, 212140275 is an apocalyptic number.
12140275 is a deficient number, since it is larger than the sum of its proper divisors (5206829).
12140275 is a wasteful number, since it uses less digits than its factorization.
12140275 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 591 (or 586 counting only the distinct ones).
The product of its (nonzero) digits is 560, while the sum is 22.
The square root of 12140275 is about 3484.2897411094. The cubic root of 12140275 is about 229.8314770561.
Adding to 12140275 its reverse (57204121), we get a palindrome (69344396).
The spelling of 12140275 in words is "twelve million, one hundred forty thousand, two hundred seventy-five".
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