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3930747 = 32945181
BaseRepresentation
bin1110111111101001111011
321101200222020
432333221323
52001240442
6220125523
745260622
oct16775173
97350866
103930747
112245257
1213968a3
13a781b2
147446b9
155299ec
hex3bfa7b

3930747 has 8 divisors (see below), whose sum is σ = 5421840. Its totient is φ = 2530080.

The previous prime is 3930743. The next prime is 3930761. The reversal of 3930747 is 7470393.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3930747 - 22 = 3930743 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (3930743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22504 + ... + 22677.

It is an arithmetic number, because the mean of its divisors is an integer number (677730).

Almost surely, 23930747 is an apocalyptic number.

3930747 is a deficient number, since it is larger than the sum of its proper divisors (1491093).

3930747 is a wasteful number, since it uses less digits than its factorization.

3930747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45213.

The product of its (nonzero) digits is 15876, while the sum is 33.

The square root of 3930747 is about 1982.6111570351. The cubic root of 3930747 is about 157.8186644718.

It can be divided in two parts, 3 and 930747, that multiplied together give a square (2792241 = 16712).

The spelling of 3930747 in words is "three million, nine hundred thirty thousand, seven hundred forty-seven".

Divisors: 1 3 29 87 45181 135543 1310249 3930747