Base | Representation |
---|---|
bin | 1001100100110… |
… | …0011111011010 |
3 | 2210120022001120 |
4 | 2121030133122 |
5 | 40240043234 |
6 | 3552430110 |
7 | 665230125 |
oct | 231143732 |
9 | 83508046 |
10 | 40159194 |
11 | 2073a219 |
12 | 11548336 |
13 | 842114a |
14 | 54953bc |
15 | 37d4049 |
hex | 264c7da |
40159194 has 16 divisors (see below), whose sum is σ = 80764320. Its totient is φ = 13312080.
The previous prime is 40159177. The next prime is 40159199. The reversal of 40159194 is 49195104.
It is a super-2 number, since 2×401591942 = 3225521725459272, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (40159199) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17404 + ... + 19575.
It is an arithmetic number, because the mean of its divisors is an integer number (5047770).
Almost surely, 240159194 is an apocalyptic number.
40159194 is an abundant number, since it is smaller than the sum of its proper divisors (40605126).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40159194 is a wasteful number, since it uses less digits than its factorization.
40159194 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37165.
The product of its (nonzero) digits is 6480, while the sum is 33.
The square root of 40159194 is about 6337.1282139468. The cubic root of 40159194 is about 342.4482852993.
It can be divided in two parts, 401 and 59194, that added together give a palindrome (59595).
The spelling of 40159194 in words is "forty million, one hundred fifty-nine thousand, one hundred ninety-four".
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