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286822468 = 22401178817
BaseRepresentation
bin10001000110001…
…001000001000100
3201222201002110101
4101012021001010
51041411304333
644243333444
710051644052
oct2106110104
9658632411
10286822468
111379a3a69
1280081284
1347565b4a
142a1431d2
151a2a967d
hex11189044

286822468 has 12 divisors (see below), whose sum is σ = 503193852. Its totient is φ = 143052800.

The previous prime is 286822451. The next prime is 286822507. The reversal of 286822468 is 864228682.

286822468 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 145878084 + 140944384 = 12078^2 + 11872^2 .

It is a super-2 number, since 2×2868224682 = 164534256299222048, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87805 + ... + 91012.

It is an arithmetic number, because the mean of its divisors is an integer number (41932821).

Almost surely, 2286822468 is an apocalyptic number.

It is an amenable number.

286822468 is a deficient number, since it is larger than the sum of its proper divisors (216371384).

286822468 is a wasteful number, since it uses less digits than its factorization.

286822468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179222 (or 179220 counting only the distinct ones).

The product of its digits is 589824, while the sum is 46.

The square root of 286822468 is about 16935.8338442487. The cubic root of 286822468 is about 659.4841914152.

The spelling of 286822468 in words is "two hundred eighty-six million, eight hundred twenty-two thousand, four hundred sixty-eight".

Divisors: 1 2 4 401 802 1604 178817 357634 715268 71705617 143411234 286822468