Base | Representation |
---|---|
bin | 1001101101110… |
… | …1111110111011 |
3 | 2211200120112022 |
4 | 2123131332323 |
5 | 40413131011 |
6 | 4013305055 |
7 | 1003261424 |
oct | 233357673 |
9 | 84616468 |
10 | 40755131 |
11 | 21006a2a |
12 | 1179518b |
13 | 859c481 |
14 | 55ac64b |
15 | 38a08db |
hex | 26ddfbb |
40755131 has 2 divisors, whose sum is σ = 40755132. Its totient is φ = 40755130.
The previous prime is 40755109. The next prime is 40755151. The reversal of 40755131 is 13155704.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 40755131 - 218 = 40492987 is a prime.
It is a super-2 number, since 2×407551312 = 3321961405654322, which contains 22 as substring.
It is a Sophie Germain prime.
It is a self number, because there is not a number n which added to its sum of digits gives 40755131.
It is not a weakly prime, because it can be changed into another prime (40755101) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20377565 + 20377566.
It is an arithmetic number, because the mean of its divisors is an integer number (20377566).
Almost surely, 240755131 is an apocalyptic number.
40755131 is a deficient number, since it is larger than the sum of its proper divisors (1).
40755131 is an equidigital number, since it uses as much as digits as its factorization.
40755131 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2100, while the sum is 26.
The square root of 40755131 is about 6383.9745456886. The cubic root of 40755131 is about 344.1338800820.
The spelling of 40755131 in words is "forty million, seven hundred fifty-five thousand, one hundred thirty-one".
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