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2843225 = 527211211
BaseRepresentation
bin1010110110001001011001
312100110011122
422312021121
51211440400
6140535025
733111200
oct12661131
95313148
102843225
111672180
12b51475
137871a8
14540237
153b2685
hex2b6259

2843225 has 36 divisors (see below), whose sum is σ = 4495248. Its totient is φ = 1764000.

The previous prime is 2843221. The next prime is 2843249. The reversal of 2843225 is 5223482.

2843225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2843225 - 22 = 2843221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2843194 and 2843203.

It is not an unprimeable number, because it can be changed into a prime (2843221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 13370 + ... + 13580.

It is an arithmetic number, because the mean of its divisors is an integer number (124868).

22843225 is an apocalyptic number.

2843225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2843225 is a deficient number, since it is larger than the sum of its proper divisors (1652023).

2843225 is a wasteful number, since it uses less digits than its factorization.

2843225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246 (or 234 counting only the distinct ones).

The product of its digits is 3840, while the sum is 26.

The square root of 2843225 is about 1686.1865258624. The cubic root of 2843225 is about 141.6675586257.

The spelling of 2843225 in words is "two million, eight hundred forty-three thousand, two hundred twenty-five".

Divisors: 1 5 7 11 25 35 49 55 77 175 211 245 275 385 539 1055 1225 1477 1925 2321 2695 5275 7385 10339 11605 13475 16247 36925 51695 58025 81235 113729 258475 406175 568645 2843225