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40804743 = 3717114299
BaseRepresentation
bin1001101110101…
…0000110000111
32211210002120210
42123222012013
540421222433
64014330503
71003556160
oct233520607
984702523
1040804743
1121040231
12117b9a33
1385b8c25
1455c2767
1538b0463
hex26ea187

40804743 has 16 divisors (see below), whose sum is σ = 65836800. Its totient is φ = 21945216.

The previous prime is 40804739. The next prime is 40804759. The reversal of 40804743 is 34740804.

40804743 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40804743 - 22 = 40804739 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40804743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40804733) 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 15 ways as a sum of consecutive naturals, for example, 56793 + ... + 57506.

It is an arithmetic number, because the mean of its divisors is an integer number (4114800).

Almost surely, 240804743 is an apocalyptic number.

40804743 is a deficient number, since it is larger than the sum of its proper divisors (25032057).

40804743 is a wasteful number, since it uses less digits than its factorization.

40804743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114326.

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 40804743 is about 6387.8590310056. The cubic root of 40804743 is about 344.2734637082.

The spelling of 40804743 in words is "forty million, eight hundred four thousand, seven hundred forty-three".

Divisors: 1 3 7 17 21 51 119 357 114299 342897 800093 1943083 2400279 5829249 13601581 40804743