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40805006 = 2113750129
BaseRepresentation
bin1001101110101…
…0001010001110
32211210002221112
42123222022032
540421230011
64014332022
71003560014
oct233521216
984702845
1040805006
1121040450
12117ba012
1385b9098
1455c28b4
1538b058b
hex26ea28e

40805006 has 16 divisors (see below), whose sum is σ = 68577840. Its totient is φ = 18046080.

The previous prime is 40804997. The next prime is 40805033. The reversal of 40805006 is 60050804.

40805006 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 24251 + ... + 25878.

It is an arithmetic number, because the mean of its divisors is an integer number (4286115).

Almost surely, 240805006 is an apocalyptic number.

40805006 is a deficient number, since it is larger than the sum of its proper divisors (27772834).

40805006 is a wasteful number, since it uses less digits than its factorization.

40805006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50179.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 40805006 is about 6387.8796168995. The cubic root of 40805006 is about 344.2742033585.

The spelling of 40805006 in words is "forty million, eight hundred five thousand, six".

Divisors: 1 2 11 22 37 74 407 814 50129 100258 551419 1102838 1854773 3709546 20402503 40805006