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2863225 = 52176737
BaseRepresentation
bin1010111011000001111001
312101110121101
422323001321
51213110400
6141211401
733223411
oct12730171
95343541
102863225
111686202
12b60b61
13793321
14547641
153b856a
hex2bb079

2863225 has 12 divisors (see below), whose sum is σ = 3759804. Its totient is φ = 2155520.

The previous prime is 2863207. The next prime is 2863229. The reversal of 2863225 is 5223682.

2863225 = 11962 + 11972.

It can be written as a sum of positive squares in 6 ways, for example, as 361 + 2862864 = 19^2 + 1692^2 .

It is not a de Polignac number, because 2863225 - 213 = 2855033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2863193 and 2863202.

It is not an unprimeable number, because it can be changed into a prime (2863229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2944 + ... + 3793.

It is an arithmetic number, because the mean of its divisors is an integer number (313317).

22863225 is an apocalyptic number.

2863225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2863225 is the 1197-th centered square number.

It is an amenable number.

2863225 is a deficient number, since it is larger than the sum of its proper divisors (896579).

2863225 is a wasteful number, since it uses less digits than its factorization.

2863225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6764 (or 6759 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 2863225 is about 1692.1066751242. The cubic root of 2863225 is about 141.9989585323.

The spelling of 2863225 in words is "two million, eight hundred sixty-three thousand, two hundred twenty-five".

Divisors: 1 5 17 25 85 425 6737 33685 114529 168425 572645 2863225