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2882025 = 325212809
BaseRepresentation
bin1010111111100111101001
312102102101200
422333213221
51214211100
6141434413
733332256
oct12774751
95372350
102882025
111699343
12b6ba09
1379ba53
1455042d
153bde00
hex2bf9e9

2882025 has 18 divisors (see below), whose sum is σ = 5162430. Its totient is φ = 1536960.

The previous prime is 2882023. The next prime is 2882029. The reversal of 2882025 is 5202882.

It can be written as a sum of positive squares in 3 ways, for example, as 69696 + 2812329 = 264^2 + 1677^2 .

It is not a de Polignac number, because 2882025 - 21 = 2882023 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 210 + 8 + 86 + 217 + 0 + 221 + 58 .

It is a self number, because there is not a number n which added to its sum of digits gives 2882025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2882021) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6180 + ... + 6629.

22882025 is an apocalyptic number.

2882025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2882025 is a deficient number, since it is larger than the sum of its proper divisors (2280405).

2882025 is a wasteful number, since it uses less digits than its factorization.

2882025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12825 (or 12817 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 2882025 is about 1697.6527913563. The cubic root of 2882025 is about 142.3090702419.

The spelling of 2882025 in words is "two million, eight hundred eighty-two thousand, twenty-five".

Divisors: 1 3 5 9 15 25 45 75 225 12809 38427 64045 115281 192135 320225 576405 960675 2882025