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40671043 = 75810149
BaseRepresentation
bin1001101100100…
…1011101000011
32211112022011221
42123021131003
540402433133
64011415511
71002461320
oct233113503
984468157
1040671043
1120a59836
1211754597
13857010a
145589b47
153885a2d
hex26c9743

40671043 has 4 divisors (see below), whose sum is σ = 46481200. Its totient is φ = 34860888.

The previous prime is 40671041. The next prime is 40671047. The reversal of 40671043 is 34017604.

40671043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40671043 - 21 = 40671041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40670999 and 40671017.

It is not an unprimeable number, because it can be changed into a prime (40671041) 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 3 ways as a sum of consecutive naturals, for example, 2905068 + ... + 2905081.

It is an arithmetic number, because the mean of its divisors is an integer number (11620300).

Almost surely, 240671043 is an apocalyptic number.

40671043 is a deficient number, since it is larger than the sum of its proper divisors (5810157).

40671043 is an equidigital number, since it uses as much as digits as its factorization.

40671043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5810156.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 40671043 is about 6377.3852792504. The cubic root of 40671043 is about 343.8970391116.

Adding to 40671043 its reverse (34017604), we get a palindrome (74688647).

The spelling of 40671043 in words is "forty million, six hundred seventy-one thousand, forty-three".

Divisors: 1 7 5810149 40671043