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40947036 = 223131991319
BaseRepresentation
bin1001110000110…
…0110101011100
32212001022202220
42130030311130
540440301121
64021345340
71005021054
oct234146534
985038686
1040947036
1121128129
1211868250
138638920
14561c564
1538dc6c6
hex270cd5c

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".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 199 398 597 796 1194 1319 2388 2587 2638 3957 5174 5276 7761 7914 10348 15522 15828 17147 31044 34294 51441 68588 102882 205764 262481 524962 787443 1049924 1574886 3149772 3412253 6824506 10236759 13649012 20473518 40947036