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2983985 = 54313879
BaseRepresentation
bin1011011000100000110001
312121121020222
423120200301
51230441420
6143542425
734235444
oct13304061
95547228
102983985
111758a04
12bbaa15
13806294
1457965b
153de225
hex2d8831

2983985 has 8 divisors (see below), whose sum is σ = 3664320. Its totient is φ = 2331504.

The previous prime is 2983961. The next prime is 2983987. The reversal of 2983985 is 5893892.

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 2983985 - 218 = 2721841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2983987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6725 + ... + 7154.

It is an arithmetic number, because the mean of its divisors is an integer number (458040).

22983985 is an apocalyptic number.

It is an amenable number.

2983985 is a deficient number, since it is larger than the sum of its proper divisors (680335).

2983985 is a wasteful number, since it uses less digits than its factorization.

2983985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13927.

The product of its digits is 155520, while the sum is 44.

The square root of 2983985 is about 1727.4214888093. The cubic root of 2983985 is about 143.9678586958.

The spelling of 2983985 in words is "two million, nine hundred eighty-three thousand, nine hundred eighty-five".

Divisors: 1 5 43 215 13879 69395 596797 2983985