Base | Representation |
---|---|
bin | 1001110000110… |
… | …0110101011100 |
3 | 2212001022202220 |
4 | 2130030311130 |
5 | 40440301121 |
6 | 4021345340 |
7 | 1005021054 |
oct | 234146534 |
9 | 85038686 |
10 | 40947036 |
11 | 21128129 |
12 | 11868250 |
13 | 8638920 |
14 | 561c564 |
15 | 38dc6c6 |
hex | 270cd5c |
40947036 has 48 divisors (see below), whose sum is σ = 103488000. Its totient is φ = 12526272.
The previous prime is 40947029. The next prime is 40947077. The reversal of 40947036 is 63074904.
40947036 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 40946988 and 40947006.
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 15 ways as a sum of consecutive naturals, for example, 30385 + ... + 31703.
It is an arithmetic number, because the mean of its divisors is an integer number (2156000).
Almost surely, 240947036 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 40947036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51744000).
40947036 is an abundant number, since it is smaller than the sum of its proper divisors (62540964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40947036 is a wasteful number, since it uses less digits than its factorization.
40947036 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1538 (or 1536 counting only the distinct ones).
The product of its (nonzero) digits is 18144, while the sum is 33.
The square root of 40947036 is about 6398.9871073475. The cubic root of 40947036 is about 344.6731792612.
The spelling of 40947036 in words is "forty million, nine hundred forty-seven thousand, thirty-six".
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