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1828265 = 517137157
BaseRepresentation
bin110111110010110101001
310102212220112
412332112221
5432001030
6103104105
721353135
oct6762651
93385815
101828265
11103966a
12742035
134c021a
143583c5
15261a95
hex1be5a9

1828265 has 16 divisors (see below), whose sum is σ = 2354832. Its totient is φ = 1357824.

The previous prime is 1828259. The next prime is 1828271. The reversal of 1828265 is 5628281.

It is an interprime number because it is at equal distance from previous prime (1828259) and next prime (1828271).

It can be written as a sum of positive squares in 8 ways, for example, as 361 + 1827904 = 19^2 + 1352^2 .

It is not a de Polignac number, because 1828265 - 24 = 1828249 is a prime.

It is a super-3 number, since 3×18282653 = 18333217489237528875, which contains 333 as substring.

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 11567 + ... + 11723.

It is an arithmetic number, because the mean of its divisors is an integer number (147177).

21828265 is an apocalyptic number.

It is an amenable number.

1828265 is a deficient number, since it is larger than the sum of its proper divisors (526567).

1828265 is a wasteful number, since it uses less digits than its factorization.

1828265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316.

The product of its digits is 7680, while the sum is 32.

The square root of 1828265 is about 1352.1334993262. The cubic root of 1828265 is about 122.2774523879.

The spelling of 1828265 in words is "one million, eight hundred twenty-eight thousand, two hundred sixty-five".

Divisors: 1 5 17 85 137 157 685 785 2329 2669 11645 13345 21509 107545 365653 1828265