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40199017 = 292814933
BaseRepresentation
bin1001100101011…
…0001101101001
32210122022200111
42121112031221
540242332032
63553334321
7665454205
oct231261551
983568614
1040199017
1120767131
12115673a1
138436301
1454a5b05
1537e0c47
hex2656369

40199017 has 8 divisors (see below), whose sum is σ = 41741640. Its totient is φ = 38666880.

The previous prime is 40199011. The next prime is 40199059. The reversal of 40199017 is 71099104.

40199017 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6046681 + 34152336 = 2459^2 + 5844^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 40199017 - 211 = 40196969 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 40199017.

It is not an unprimeable number, because it can be changed into a prime (40199011) 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, 5683 + ... + 10615.

It is an arithmetic number, because the mean of its divisors is an integer number (5217705).

Almost surely, 240199017 is an apocalyptic number.

It is an amenable number.

40199017 is a deficient number, since it is larger than the sum of its proper divisors (1542623).

40199017 is a wasteful number, since it uses less digits than its factorization.

40199017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5243.

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 40199017 is about 6340.2694737684. The cubic root of 40199017 is about 342.5614417273.

The spelling of 40199017 in words is "forty million, one hundred ninety-nine thousand, seventeen".

Divisors: 1 29 281 4933 8149 143057 1386173 40199017