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4066287 = 31355429
BaseRepresentation
bin1111100000101111101111
321122120220020
433200233233
52020110122
6223053223
746364031
oct17405757
97576806
104066287
112328075
121441213
13ac4ab4
1477bc51
15554c5c
hex3e0bef

4066287 has 4 divisors (see below), whose sum is σ = 5421720. Its totient is φ = 2710856.

The previous prime is 4066273. The next prime is 4066289. The reversal of 4066287 is 7826604.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4066287 - 28 = 4066031 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4066289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 677712 + ... + 677717.

It is an arithmetic number, because the mean of its divisors is an integer number (1355430).

Almost surely, 24066287 is an apocalyptic number.

4066287 is a deficient number, since it is larger than the sum of its proper divisors (1355433).

4066287 is a wasteful number, since it uses less digits than its factorization.

4066287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355432.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 4066287 is about 2016.5036573237. The cubic root of 4066287 is about 159.6121726760.

The spelling of 4066287 in words is "four million, sixty-six thousand, two hundred eighty-seven".

Divisors: 1 3 1355429 4066287