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4055287 = 4394309
BaseRepresentation
bin1111011110000011110111
321122000210211
433132003313
52014232122
6222530251
746316665
oct17360367
97560724
104055287
11231a885
121436987
13abcaa2
14777c35
15551877
hex3de0f7

4055287 has 4 divisors (see below), whose sum is σ = 4149640. Its totient is φ = 3960936.

The previous prime is 4055281. The next prime is 4055321. The reversal of 4055287 is 7825504.

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 4055287 - 27 = 4055159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4055281) 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, 47112 + ... + 47197.

It is an arithmetic number, because the mean of its divisors is an integer number (1037410).

Almost surely, 24055287 is an apocalyptic number.

4055287 is a deficient number, since it is larger than the sum of its proper divisors (94353).

4055287 is an equidigital number, since it uses as much as digits as its factorization.

4055287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94352.

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 4055287 is about 2013.7743170475. The cubic root of 4055287 is about 159.4681166474.

The spelling of 4055287 in words is "four million, fifty-five thousand, two hundred eighty-seven".

Divisors: 1 43 94309 4055287