Base | Representation |
---|---|
bin | 1011111110101000101111 |
3 | 12220112110121 |
4 | 23332220233 |
5 | 1300441033 |
6 | 151145411 |
7 | 35455636 |
oct | 13765057 |
9 | 5815417 |
10 | 3140143 |
11 | 1855266 |
12 | 1075267 |
13 | 85c396 |
14 | 5ba51d |
15 | 42062d |
hex | 2fea2f |
3140143 has 4 divisors (see below), whose sum is σ = 3143880. Its totient is φ = 3136408.
The previous prime is 3140131. The next prime is 3140147. The reversal of 3140143 is 3410413.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3410413 = 1151 ⋅2963.
It is a cyclic number.
It is not a de Polignac number, because 3140143 - 213 = 3131951 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 (3140147) 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, 48 + ... + 2506.
It is an arithmetic number, because the mean of its divisors is an integer number (785970).
Almost surely, 23140143 is an apocalyptic number.
3140143 is a deficient number, since it is larger than the sum of its proper divisors (3737).
3140143 is a wasteful number, since it uses less digits than its factorization.
3140143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3736.
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 3140143 is about 1772.0448639919. The cubic root of 3140143 is about 146.4366579597.
Adding to 3140143 its reverse (3410413), we get a palindrome (6550556).
The spelling of 3140143 in words is "three million, one hundred forty thousand, one hundred forty-three".
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