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40541986 = 231653903
BaseRepresentation
bin1001101010100…
…1111100100010
32211021202011001
42122221330202
540334320421
64004542214
71001413132
oct232517442
984252131
1040541986
1120980881
12116b196a
138526454
145554ac2
15385c691
hex26a9f22

40541986 has 8 divisors (see below), whose sum is σ = 62774784. Its totient is φ = 19617060.

The previous prime is 40541983. The next prime is 40541987. The reversal of 40541986 is 68914504.

It is a happy number.

40541986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (40541983) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 326890 + ... + 327013.

It is an arithmetic number, because the mean of its divisors is an integer number (7846848).

Almost surely, 240541986 is an apocalyptic number.

40541986 is a deficient number, since it is larger than the sum of its proper divisors (22232798).

40541986 is a wasteful number, since it uses less digits than its factorization.

40541986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653936.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 40541986 is about 6367.2589078818. The cubic root of 40541986 is about 343.5329033173.

The spelling of 40541986 in words is "forty million, five hundred forty-one thousand, nine hundred eighty-six".

Divisors: 1 2 31 62 653903 1307806 20270993 40541986