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548225 = 5221929
BaseRepresentation
bin10000101110110000001
31000212000122
42011312001
5120020400
615430025
74442216
oct2056601
91025018
10548225
11344987
12225315
131626c2
14103b0d
15ac685
hex85d81

548225 has 6 divisors (see below), whose sum is σ = 679830. Its totient is φ = 438560.

The previous prime is 548221. The next prime is 548227. The reversal of 548225 is 522845.

It can be written as a sum of positive squares in 3 ways, for example, as 179776 + 368449 = 424^2 + 607^2 .

It is not a de Polignac number, because 548225 - 22 = 548221 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 548194 and 548203.

It is not an unprimeable number, because it can be changed into a prime (548221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10940 + ... + 10989.

It is an arithmetic number, because the mean of its divisors is an integer number (113305).

2548225 is an apocalyptic number.

It is an amenable number.

548225 is a deficient number, since it is larger than the sum of its proper divisors (131605).

548225 is a wasteful number, since it uses less digits than its factorization.

548225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21939 (or 21934 counting only the distinct ones).

The product of its digits is 3200, while the sum is 26.

The square root of 548225 is about 740.4221768694. The cubic root of 548225 is about 81.8438929670.

The spelling of 548225 in words is "five hundred forty-eight thousand, two hundred twenty-five".

Divisors: 1 5 25 21929 109645 548225