Base | Representation |
---|---|
bin | 1001101110101… |
… | …0100100011100 |
3 | 2211210012020200 |
4 | 2123222210130 |
5 | 40421303214 |
6 | 4014343500 |
7 | 1003564632 |
oct | 233524434 |
9 | 84705220 |
10 | 40806684 |
11 | 21041736 |
12 | 117bab90 |
13 | 85b9a89 |
14 | 55c3352 |
15 | 38b0d09 |
hex | 26ea91c |
40806684 has 18 divisors (see below), whose sum is σ = 103150320. Its totient is φ = 13602216.
The previous prime is 40806677. The next prime is 40806691. The reversal of 40806684 is 48660804.
40806684 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (40806677) and next prime (40806691).
It is a tau number, because it is divible by the number of its divisors (18).
It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1133519 = 40806684 / (4 + 0 + 8 + 0 + 6 + 6 + 8 + 4).
It is a congruent number.
It is an unprimeable number.
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 5 ways as a sum of consecutive naturals, for example, 566724 + ... + 566795.
Almost surely, 240806684 is an apocalyptic number.
It is an amenable number.
40806684 is an abundant number, since it is smaller than the sum of its proper divisors (62343636).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40806684 is a wasteful number, since it uses less digits than its factorization.
40806684 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1133529 (or 1133524 counting only the distinct ones).
The product of its (nonzero) digits is 36864, while the sum is 36.
The square root of 40806684 is about 6388.0109580369. The cubic root of 40806684 is about 344.2789224216.
The spelling of 40806684 in words is "forty million, eight hundred six thousand, six hundred eighty-four".
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