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2984987 = 5950593
BaseRepresentation
bin1011011000110000011011
312121122122002
423120300123
51231004422
6143551215
734241405
oct13306033
95548562
102984987
111759735
12bbb50b
13806885
14579b75
153de692
hex2d8c1b

2984987 has 4 divisors (see below), whose sum is σ = 3035640. Its totient is φ = 2934336.

The previous prime is 2984977. The next prime is 2985001. The reversal of 2984987 is 7894892.

2984987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2984987 - 28 = 2984731 is a prime.

It is a d-powerful number, because it can be written as 25 + 95 + 85 + 49 + 96 + 87 + 74 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2984977) 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 3 ways as a sum of consecutive naturals, for example, 25238 + ... + 25355.

It is an arithmetic number, because the mean of its divisors is an integer number (758910).

22984987 is an apocalyptic number.

2984987 is a deficient number, since it is larger than the sum of its proper divisors (50653).

2984987 is an equidigital number, since it uses as much as digits as its factorization.

2984987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50652.

The product of its digits is 290304, while the sum is 47.

The square root of 2984987 is about 1727.7114921190. The cubic root of 2984987 is about 143.9839713383.

The spelling of 2984987 in words is "two million, nine hundred eighty-four thousand, nine hundred eighty-seven".

Divisors: 1 59 50593 2984987