Base | Representation |
---|---|
bin | 101101010010… |
… | …111101011111 |
3 | 211100021021002 |
4 | 231102331133 |
5 | 11014433033 |
6 | 1102300515 |
7 | 202633331 |
oct | 55227537 |
9 | 24307232 |
10 | 11874143 |
11 | 6780246 |
12 | 3b8773b |
13 | 25c9928 |
14 | 1811451 |
15 | 10983e8 |
hex | b52f5f |
11874143 has 12 divisors (see below), whose sum is σ = 12739272. Its totient is φ = 11064960.
The previous prime is 11874139. The next prime is 11874157. The reversal of 11874143 is 34147811.
It is not a de Polignac number, because 11874143 - 22 = 11874139 is a prime.
It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11874103) 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, 52196 + ... + 52422.
It is an arithmetic number, because the mean of its divisors is an integer number (1061606).
Almost surely, 211874143 is an apocalyptic number.
11874143 is a deficient number, since it is larger than the sum of its proper divisors (865129).
11874143 is a wasteful number, since it uses less digits than its factorization.
11874143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 442 (or 425 counting only the distinct ones).
The product of its digits is 2688, while the sum is 29.
The square root of 11874143 is about 3445.8878391497. The cubic root of 11874143 is about 228.1396433460.
The spelling of 11874143 in words is "eleven million, eight hundred seventy-four thousand, one hundred forty-three".
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