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286420046 = 211173472207
BaseRepresentation
bin10001000100100…
…110110001001110
3201221221122102212
4101010212301032
51041310420141
644230550422
710045346603
oct2104466116
9657848385
10286420046
11137749690
127bb08412
1347454923
142a07a6aa
151a22a2eb
hex11126c4e

286420046 has 32 divisors (see below), whose sum is σ = 497912832. Its totient is φ = 122124160.

The previous prime is 286420019. The next prime is 286420087. The reversal of 286420046 is 640024682.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 286419994 and 286420021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128675 + ... + 130881.

It is an arithmetic number, because the mean of its divisors is an integer number (15559776).

Almost surely, 2286420046 is an apocalyptic number.

286420046 is a deficient number, since it is larger than the sum of its proper divisors (211492786).

286420046 is a wasteful number, since it uses less digits than its factorization.

286420046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2584.

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 286420046 is about 16923.9488890743. The cubic root of 286420046 is about 659.1756205612.

The spelling of 286420046 in words is "two hundred eighty-six million, four hundred twenty thousand, forty-six".

Divisors: 1 2 11 17 22 34 187 347 374 694 2207 3817 4414 5899 7634 11798 24277 37519 48554 64889 75038 129778 412709 765829 825418 1531658 8424119 13019093 16848238 26038186 143210023 286420046