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3087705 = 35205847
BaseRepresentation
bin1011110001110101011001
312210212112110
423301311121
51242301310
6150102533
735150025
oct13616531
95725473
103087705
111819925
12104aa49
1384155a
145a5385
1540ed20
hex2f1d59

3087705 has 8 divisors (see below), whose sum is σ = 4940352. Its totient is φ = 1646768.

The previous prime is 3087703. The next prime is 3087731. The reversal of 3087705 is 5077803.

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

It is a cyclic number.

It is not a de Polignac number, because 3087705 - 21 = 3087703 is a prime.

3087705 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3087703) 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 7 ways as a sum of consecutive naturals, for example, 102909 + ... + 102938.

It is an arithmetic number, because the mean of its divisors is an integer number (617544).

Almost surely, 23087705 is an apocalyptic number.

It is an amenable number.

3087705 is a deficient number, since it is larger than the sum of its proper divisors (1852647).

3087705 is a wasteful number, since it uses less digits than its factorization.

3087705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205855.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 3087705 is about 1757.1866719276. The cubic root of 3087705 is about 145.6169511168.

The spelling of 3087705 in words is "three million, eighty-seven thousand, seven hundred five".

Divisors: 1 3 5 15 205847 617541 1029235 3087705