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40937939 = 716335879
BaseRepresentation
bin1001110000101…
…0100111010011
32212000212021222
42130022213103
540440003224
64021235255
71004652410
oct234124723
985025258
1040937939
1121121309
1211862b2b
138634743
145619107
1538d9b5e
hex270a9d3

40937939 has 8 divisors (see below), whose sum is σ = 47074560. Its totient is φ = 34873416.

The previous prime is 40937933. The next prime is 40937957. The reversal of 40937939 is 93973904.

It is a happy number.

40937939 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-40937939 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40937939.

It is not an unprimeable number, because it can be changed into a prime (40937933) 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 7 ways as a sum of consecutive naturals, for example, 16799 + ... + 19080.

It is an arithmetic number, because the mean of its divisors is an integer number (5884320).

Almost surely, 240937939 is an apocalyptic number.

40937939 is a deficient number, since it is larger than the sum of its proper divisors (6136621).

40937939 is a wasteful number, since it uses less digits than its factorization.

40937939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36049.

The product of its (nonzero) digits is 183708, while the sum is 44.

The square root of 40937939 is about 6398.2762522417. The cubic root of 40937939 is about 344.6476525936.

The spelling of 40937939 in words is "forty million, nine hundred thirty-seven thousand, nine hundred thirty-nine".

Divisors: 1 7 163 1141 35879 251153 5848277 40937939