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1994286 = 237103461
BaseRepresentation
bin111100110111000101110
310202022122110
413212320232
51002304121
6110424450
722644150
oct7467056
93668573
101994286
111142378
12802126
1354a968
1439cad0
15295d76
hex1e6e2e

1994286 has 32 divisors (see below), whose sum is σ = 4612608. Its totient is φ = 563040.

The previous prime is 1994227. The next prime is 1994299. The reversal of 1994286 is 6824991.

Its product of digits (31104) is a multiple of the sum of its prime divisors (576).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 4096 + ... + 4556.

It is an arithmetic number, because the mean of its divisors is an integer number (144144).

21994286 is an apocalyptic number.

1994286 is an abundant number, since it is smaller than the sum of its proper divisors (2618322).

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

1994286 is a wasteful number, since it uses less digits than its factorization.

1994286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576.

The product of its digits is 31104, while the sum is 39.

The square root of 1994286 is about 1412.1919133036. The cubic root of 1994286 is about 125.8720040593.

The spelling of 1994286 in words is "one million, nine hundred ninety-four thousand, two hundred eighty-six".

Divisors: 1 2 3 6 7 14 21 42 103 206 309 461 618 721 922 1383 1442 2163 2766 3227 4326 6454 9681 19362 47483 94966 142449 284898 332381 664762 997143 1994286