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3930487 = 11794523
BaseRepresentation
bin1110111111100101110111
321101200121121
432333211313
52001233422
6220124411
745260101
oct16774567
97350547
103930487
112245040
121396707
13a78042
14744571
155298c7
hex3bf977

3930487 has 8 divisors (see below), whose sum is σ = 4343040. Its totient is φ = 3527160.

The previous prime is 3930481. The next prime is 3930491. The reversal of 3930487 is 7840393.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3930487 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 (3930481) 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, 1393 + ... + 3130.

It is an arithmetic number, because the mean of its divisors is an integer number (542880).

Almost surely, 23930487 is an apocalyptic number.

3930487 is a deficient number, since it is larger than the sum of its proper divisors (412553).

3930487 is a wasteful number, since it uses less digits than its factorization.

3930487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4613.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 3930487 is about 1982.5455858567. The cubic root of 3930487 is about 157.8151847467.

The spelling of 3930487 in words is "three million, nine hundred thirty thousand, four hundred eighty-seven".

Divisors: 1 11 79 869 4523 49753 357317 3930487