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4681284 = 223390107
BaseRepresentation
bin10001110110111001000100
322210211111220
4101312321010
52144300114
6244200340
754535026
oct21667104
98724456
104681284
112708133
1216990b0
13c7b9ba
1489c016
156270a9
hex476e44

4681284 has 12 divisors (see below), whose sum is σ = 10923024. Its totient is φ = 1560424.

The previous prime is 4681253. The next prime is 4681289. The reversal of 4681284 is 4821864.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (4681289) 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, 195042 + ... + 195065.

It is an arithmetic number, because the mean of its divisors is an integer number (910252).

Almost surely, 24681284 is an apocalyptic number.

It is an amenable number.

4681284 is an abundant number, since it is smaller than the sum of its proper divisors (6241740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4681284 is a wasteful number, since it uses less digits than its factorization.

4681284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390114 (or 390112 counting only the distinct ones).

The product of its digits is 12288, while the sum is 33.

The square root of 4681284 is about 2163.6275095312. The cubic root of 4681284 is about 167.2842279928.

The spelling of 4681284 in words is "four million, six hundred eighty-one thousand, two hundred eighty-four".

Divisors: 1 2 3 4 6 12 390107 780214 1170321 1560428 2340642 4681284