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2978284 = 226711113
BaseRepresentation
bin1011010111000111101100
312121022102211
423113013230
51230301114
6143500204
734213021
oct13270754
95538384
102978284
1117546a1
12bb7664
138037ca
14577548
153dc6c4
hex2d71ec

2978284 has 12 divisors (see below), whose sum is σ = 5290264. Its totient is φ = 1466784.

The previous prime is 2978273. The next prime is 2978299. The reversal of 2978284 is 4828792.

It is a nialpdrome in base 12.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5289 + ... + 5824.

22978284 is an apocalyptic number.

It is an amenable number.

2978284 is a deficient number, since it is larger than the sum of its proper divisors (2311980).

2978284 is a wasteful number, since it uses less digits than its factorization.

2978284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11184 (or 11182 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The square root of 2978284 is about 1725.7705525359. The cubic root of 2978284 is about 143.8761151588.

The spelling of 2978284 in words is "two million, nine hundred seventy-eight thousand, two hundred eighty-four".

Divisors: 1 2 4 67 134 268 11113 22226 44452 744571 1489142 2978284