Base | Representation |
---|---|
bin | 1001101110001… |
… | …1100101100110 |
3 | 2211201202000111 |
4 | 2123203211212 |
5 | 40414344321 |
6 | 4014003234 |
7 | 1003415356 |
oct | 233434546 |
9 | 84652014 |
10 | 40778086 |
11 | 210221a8 |
12 | 117a651a |
13 | 85a9a5b |
14 | 55b6b66 |
15 | 38a75e1 |
hex | 26e3966 |
40778086 has 8 divisors (see below), whose sum is σ = 62204040. Its totient is φ = 20043408.
The previous prime is 40778083. The next prime is 40778117. The reversal of 40778086 is 68087704.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (40778083) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172671 + ... + 172906.
It is an arithmetic number, because the mean of its divisors is an integer number (7775505).
Almost surely, 240778086 is an apocalyptic number.
40778086 is a deficient number, since it is larger than the sum of its proper divisors (21425954).
40778086 is a wasteful number, since it uses less digits than its factorization.
40778086 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 345638.
The product of its (nonzero) digits is 75264, while the sum is 40.
The square root of 40778086 is about 6385.7721537806. The cubic root of 40778086 is about 344.1984781695.
The spelling of 40778086 in words is "forty million, seven hundred seventy-eight thousand, eighty-six".
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