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40704271 = 311313041
BaseRepresentation
bin1001101101000…
…1100100001111
32211120222202121
42123101210033
540410014041
64012233411
71002660226
oct233214417
984528677
1040704271
1120a817a3
121176b867
13858228a
145597cbd
1538907d1
hex26d190f

40704271 has 4 divisors (see below), whose sum is σ = 42017344. Its totient is φ = 39391200.

The previous prime is 40704259. The next prime is 40704281. The reversal of 40704271 is 17240704.

40704271 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 40704271 - 29 = 40703759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40704211) 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, 656490 + ... + 656551.

It is an arithmetic number, because the mean of its divisors is an integer number (10504336).

Almost surely, 240704271 is an apocalyptic number.

40704271 is a deficient number, since it is larger than the sum of its proper divisors (1313073).

40704271 is a wasteful number, since it uses less digits than its factorization.

40704271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313072.

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 40704271 is about 6379.9898902741. The cubic root of 40704271 is about 343.9906675628.

Adding to 40704271 its reverse (17240704), we get a palindrome (57944975).

The spelling of 40704271 in words is "forty million, seven hundred four thousand, two hundred seventy-one".

Divisors: 1 31 1313041 40704271