Base | Representation |
---|---|
bin | 1001100011001… |
… | …1000001000110 |
3 | 2210100222221010 |
4 | 2120303001012 |
5 | 40223223404 |
6 | 3550303050 |
7 | 664314000 |
oct | 230630106 |
9 | 83328833 |
10 | 40054854 |
11 | 20678894 |
12 | 114b7a86 |
13 | 83b57c8 |
14 | 5469370 |
15 | 37b3189 |
hex | 2633046 |
40054854 has 32 divisors (see below), whose sum is σ = 93427200. Its totient is φ = 11443656.
The previous prime is 40054853. The next prime is 40054879. The reversal of 40054854 is 45845004.
It is a super-2 number, since 2×400548542 = 3208782657922632, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (40054853) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7674 + ... + 11789.
It is an arithmetic number, because the mean of its divisors is an integer number (2919600).
Almost surely, 240054854 is an apocalyptic number.
40054854 is an abundant number, since it is smaller than the sum of its proper divisors (53372346).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40054854 is a wasteful number, since it uses less digits than its factorization.
40054854 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19489 (or 19475 counting only the distinct ones).
The product of its (nonzero) digits is 12800, while the sum is 30.
The square root of 40054854 is about 6328.8904240791. The cubic root of 40054854 is about 342.1514496289.
Adding to 40054854 its reverse (45845004), we get a palindrome (85899858).
The spelling of 40054854 in words is "forty million, fifty-four thousand, eight hundred fifty-four".
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