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80842286 = 2723251063
BaseRepresentation
bin1001101000110…
…00111000101110
312122010012202202
410310120320232
5131143423121
612004421502
72001101540
oct464307056
9178105682
1080842286
11416a7008
12230a7892
1313996895
14aa45690
15716d40b
hex4d18e2e

80842286 has 16 divisors (see below), whose sum is σ = 144612864. Its totient is φ = 33140184.

The previous prime is 80842271. The next prime is 80842297. The reversal of 80842286 is 68224808.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 125210 + ... + 125853.

It is an arithmetic number, because the mean of its divisors is an integer number (9038304).

Almost surely, 280842286 is an apocalyptic number.

80842286 is a deficient number, since it is larger than the sum of its proper divisors (63770578).

80842286 is a wasteful number, since it uses less digits than its factorization.

80842286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251095.

The product of its (nonzero) digits is 49152, while the sum is 38.

The square root of 80842286 is about 8991.2338419151. The cubic root of 80842286 is about 432.3938701803.

The spelling of 80842286 in words is "eighty million, eight hundred forty-two thousand, two hundred eighty-six".

Divisors: 1 2 7 14 23 46 161 322 251063 502126 1757441 3514882 5774449 11548898 40421143 80842286