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8731413 = 321039419
BaseRepresentation
bin100001010011…
…101100010101
3121102121020200
4201103230111
54213401123
6511051113
7134134005
oct41235425
917377220
108731413
114a24049
122b10a99
131a69322
141234005
15b77143
hex853b15

8731413 has 12 divisors (see below), whose sum is σ = 12735840. Its totient is φ = 5763816.

The previous prime is 8731381. The next prime is 8731417. The reversal of 8731413 is 3141378.

8731413 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8731413 - 25 = 8731381 is a prime.

8731413 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8731417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3783 + ... + 5636.

It is an arithmetic number, because the mean of its divisors is an integer number (1061320).

Almost surely, 28731413 is an apocalyptic number.

It is an amenable number.

8731413 is a deficient number, since it is larger than the sum of its proper divisors (4004427).

8731413 is a wasteful number, since it uses less digits than its factorization.

8731413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9528 (or 9525 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 8731413 is about 2954.8964448860. The cubic root of 8731413 is about 205.9182523538.

The spelling of 8731413 in words is "eight million, seven hundred thirty-one thousand, four hundred thirteen".

Divisors: 1 3 9 103 309 927 9419 28257 84771 970157 2910471 8731413