Base | Representation |
---|---|
bin | 1010010010010… |
… | …0101100101011 |
3 | 10000011211121022 |
4 | 2210210230223 |
5 | 42021020211 |
6 | 4140403055 |
7 | 1032462140 |
oct | 244445453 |
9 | 100154538 |
10 | 43141931 |
11 | 22397198 |
12 | 1254648b |
13 | 8c26991 |
14 | 5a303c7 |
15 | 3bc2bdb |
hex | 2924b2b |
43141931 has 8 divisors (see below), whose sum is σ = 49742304. Its totient is φ = 36650880.
The previous prime is 43141897. The next prime is 43141933. The reversal of 43141931 is 13914134.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 43141931 - 218 = 42879787 is a prime.
It is a super-2 number, since 2×431419312 = 3722452420817522, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 43141931.
It is not an unprimeable number, because it can be changed into a prime (43141933) 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, 26480 + ... + 28061.
It is an arithmetic number, because the mean of its divisors is an integer number (6217788).
Almost surely, 243141931 is an apocalyptic number.
43141931 is a deficient number, since it is larger than the sum of its proper divisors (6600373).
43141931 is a wasteful number, since it uses less digits than its factorization.
43141931 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54661.
The product of its digits is 1296, while the sum is 26.
The square root of 43141931 is about 6568.2517460889. The cubic root of 43141931 is about 350.7248406951.
The spelling of 43141931 in words is "forty-three million, one hundred forty-one thousand, nine hundred thirty-one".
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