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4028255 = 571110463
BaseRepresentation
bin1111010111011101011111
321120122201122
433113131133
52012401010
6222201155
746145120
oct17273537
97518648
104028255
112301540
1214231bb
13ab06aa
1476c047
15548855
hex3d775f

4028255 has 16 divisors (see below), whose sum is σ = 6027264. Its totient is φ = 2510880.

The previous prime is 4028251. The next prime is 4028261. The reversal of 4028255 is 5528204.

4028255 is nontrivially palindromic in base 4.

It is not a de Polignac number, because 4028255 - 22 = 4028251 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 (4028251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4847 + ... + 5616.

It is an arithmetic number, because the mean of its divisors is an integer number (376704).

Almost surely, 24028255 is an apocalyptic number.

4028255 is a deficient number, since it is larger than the sum of its proper divisors (1999009).

4028255 is a wasteful number, since it uses less digits than its factorization.

4028255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10486.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 4028255 is about 2007.0513197225. The cubic root of 4028255 is about 159.1129953752.

The spelling of 4028255 in words is "four million, twenty-eight thousand, two hundred fifty-five".

Divisors: 1 5 7 11 35 55 77 385 10463 52315 73241 115093 366205 575465 805651 4028255