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2528275 = 52234397
BaseRepresentation
bin1001101001010000010011
311202110010211
421221100103
51121401100
6130104551
730330031
oct11512023
94673124
102528275
111477592
12a1b157
136a6a29
1449b551
1534e1ba
hex269413

2528275 has 12 divisors (see below), whose sum is σ = 3272112. Its totient is φ = 1934240.

The previous prime is 2528269. The next prime is 2528299. The reversal of 2528275 is 5728252.

It is not a de Polignac number, because 2528275 - 25 = 2528243 is a prime.

It is a d-powerful number, because it can be written as 22 + 56 + 215 + 82 + 219 + 74 + 59 .

It is a Duffinian number.

2528275 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1624 + ... + 2773.

It is an arithmetic number, because the mean of its divisors is an integer number (272676).

22528275 is an apocalyptic number.

2528275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2528275 is a deficient number, since it is larger than the sum of its proper divisors (743837).

2528275 is a wasteful number, since it uses less digits than its factorization.

2528275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4430 (or 4425 counting only the distinct ones).

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

The square root of 2528275 is about 1590.0550304942. The cubic root of 2528275 is about 136.2306315930.

The spelling of 2528275 in words is "two million, five hundred twenty-eight thousand, two hundred seventy-five".

Divisors: 1 5 23 25 115 575 4397 21985 101131 109925 505655 2528275