Base | Representation |
---|---|
bin | 1001101111101… |
… | …0100001100100 |
3 | 2211220111220010 |
4 | 2123322201210 |
5 | 40430401121 |
6 | 4020010220 |
7 | 1004256312 |
oct | 233724144 |
9 | 84814803 |
10 | 40872036 |
11 | 21086847 |
12 | 11830970 |
13 | 861074a |
14 | 55dd0b2 |
15 | 38c5376 |
hex | 26fa864 |
40872036 has 12 divisors (see below), whose sum is σ = 95368112. Its totient is φ = 13624008.
The previous prime is 40872023. The next prime is 40872037. The reversal of 40872036 is 63027804.
40872036 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (12).
It is a junction number, because it is equal to n+sod(n) for n = 40871994 and 40872012.
It is not an unprimeable number, because it can be changed into a prime (40872037) 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, 1702990 + ... + 1703013.
Almost surely, 240872036 is an apocalyptic number.
It is an amenable number.
40872036 is an abundant number, since it is smaller than the sum of its proper divisors (54496076).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40872036 is a wasteful number, since it uses less digits than its factorization.
40872036 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3406010 (or 3406008 counting only the distinct ones).
The product of its (nonzero) digits is 8064, while the sum is 30.
The square root of 40872036 is about 6393.1241189265. The cubic root of 40872036 is about 344.4626122301.
The spelling of 40872036 in words is "forty million, eight hundred seventy-two thousand, thirty-six".
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