Base | Representation |
---|---|
bin | 1001101111001… |
… | …0011101010010 |
3 | 2211211211120100 |
4 | 2123302131102 |
5 | 40423321434 |
6 | 4015153230 |
7 | 1004061060 |
oct | 233623522 |
9 | 84754510 |
10 | 40838994 |
11 | 21063a39 |
12 | 11815816 |
13 | 85cb6b1 |
14 | 55d1030 |
15 | 38ba699 |
hex | 26f2752 |
40838994 has 24 divisors (see below), whose sum is σ = 101125440. Its totient is φ = 11668248.
The previous prime is 40838983. The next prime is 40839013. The reversal of 40838994 is 49983804.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 161934 + ... + 162185.
It is an arithmetic number, because the mean of its divisors is an integer number (4213560).
Almost surely, 240838994 is an apocalyptic number.
40838994 is an abundant number, since it is smaller than the sum of its proper divisors (60286446).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40838994 is a wasteful number, since it uses less digits than its factorization.
40838994 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 324134 (or 324131 counting only the distinct ones).
The product of its (nonzero) digits is 248832, while the sum is 45.
The square root of 40838994 is about 6390.5394138523. The cubic root of 40838994 is about 344.3697630744.
The spelling of 40838994 in words is "forty million, eight hundred thirty-eight thousand, nine hundred ninety-four".
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