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40159814 = 2171181171
BaseRepresentation
bin1001100100110…
…0101001000110
32210120022220112
42121030221012
540240103224
63552433022
7665232002
oct231145106
983508815
1040159814
112073a732
1211548772
138421506
145495702
1537d430e
hex264ca46

40159814 has 8 divisors (see below), whose sum is σ = 63783288. Its totient is φ = 18898720.

The previous prime is 40159811. The next prime is 40159853. The reversal of 40159814 is 41895104.

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

It is a super-2 number, since 2×401598142 = 3225621321029192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40159811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 590552 + ... + 590619.

It is an arithmetic number, because the mean of its divisors is an integer number (7972911).

Almost surely, 240159814 is an apocalyptic number.

40159814 is a deficient number, since it is larger than the sum of its proper divisors (23623474).

40159814 is a wasteful number, since it uses less digits than its factorization.

40159814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1181190.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 40159814 is about 6337.1771318151. The cubic root of 40159814 is about 342.4500475927.

The spelling of 40159814 in words is "forty million, one hundred fifty-nine thousand, eight hundred fourteen".

Divisors: 1 2 17 34 1181171 2362342 20079907 40159814