Base | Representation |
---|---|
bin | 1001100100010… |
… | …1101000110111 |
3 | 2210111212120001 |
4 | 2121011220313 |
5 | 40233144002 |
6 | 3552052131 |
7 | 665052241 |
oct | 231055067 |
9 | 83455501 |
10 | 40131127 |
11 | 20720123 |
12 | 11534047 |
13 | 841143a |
14 | 5489091 |
15 | 37caa87 |
hex | 2645a37 |
40131127 has 4 divisors (see below), whose sum is σ = 40187056. Its totient is φ = 40075200.
The previous prime is 40131121. The next prime is 40131137. The reversal of 40131127 is 72113104.
40131127 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-40131127 is a prime.
It is a super-2 number, since 2×401311272 = 3221014708580258, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (40131121) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26874 + ... + 28327.
It is an arithmetic number, because the mean of its divisors is an integer number (10046764).
Almost surely, 240131127 is an apocalyptic number.
40131127 is a deficient number, since it is larger than the sum of its proper divisors (55929).
40131127 is an equidigital number, since it uses as much as digits as its factorization.
40131127 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 55928.
The product of its (nonzero) digits is 168, while the sum is 19.
The square root of 40131127 is about 6334.9133380023. The cubic root of 40131127 is about 342.3684884120.
The spelling of 40131127 in words is "forty million, one hundred thirty-one thousand, one hundred twenty-seven".
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