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2879225 = 5241532
BaseRepresentation
bin1010111110111011111001
312102021112222
422332323321
51214113400
6141413425
733321146
oct12767371
95367488
102879225
111697228
12b6a275
1379a6ab
1454d3cd
153bd185
hex2beef9

2879225 has 18 divisors (see below), whose sum is σ = 3727626. Its totient is φ = 2204800.

The previous prime is 2879213. The next prime is 2879243. The reversal of 2879225 is 5229782.

It can be written as a sum of positive squares in 9 ways, for example, as 885481 + 1993744 = 941^2 + 1412^2 .

It is not a de Polignac number, because 2879225 - 26 = 2879161 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 54299 + ... + 54351.

22879225 is an apocalyptic number.

2879225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2879225 is a deficient number, since it is larger than the sum of its proper divisors (848401).

2879225 is an equidigital number, since it uses as much as digits as its factorization.

2879225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157 (or 99 counting only the distinct ones).

The product of its digits is 20160, while the sum is 35.

The square root of 2879225 is about 1696.8279229197. The cubic root of 2879225 is about 142.2629690333.

The spelling of 2879225 in words is "two million, eight hundred seventy-nine thousand, two hundred twenty-five".

Divisors: 1 5 25 41 53 205 265 1025 1325 2173 2809 10865 14045 54325 70225 115169 575845 2879225