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4005255 = 35267017
BaseRepresentation
bin1111010001110110000111
321112111011210
433101312013
52011132010
6221502503
746021062
oct17216607
97474153
104005255
112296231
121411a33
13aa3097
147638d9
15541b20
hex3d1d87

4005255 has 8 divisors (see below), whose sum is σ = 6408432. Its totient is φ = 2136128.

The previous prime is 4005241. The next prime is 4005271. The reversal of 4005255 is 5525004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4005255 - 25 = 4005223 is a prime.

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, 133494 + ... + 133523.

It is an arithmetic number, because the mean of its divisors is an integer number (801054).

Almost surely, 24005255 is an apocalyptic number.

4005255 is a deficient number, since it is larger than the sum of its proper divisors (2403177).

4005255 is a wasteful number, since it uses less digits than its factorization.

4005255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267025.

The product of its (nonzero) digits is 1000, while the sum is 21.

The square root of 4005255 is about 2001.3133187984. The cubic root of 4005255 is about 158.8095897150.

The spelling of 4005255 in words is "four million, five thousand, two hundred fifty-five".

Divisors: 1 3 5 15 267017 801051 1335085 4005255