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225575 = 5271289
BaseRepresentation
bin110111000100100111
3102110102122
4313010213
524204300
64500155
71626440
oct670447
9373378
10225575
11144529
12aa65b
137b89c
145c2c7
1546c85
hex37127

225575 has 12 divisors (see below), whose sum is σ = 319920. Its totient is φ = 154560.

The previous prime is 225569. The next prime is 225581. The reversal of 225575 is 575522.

It is an interprime number because it is at equal distance from previous prime (225569) and next prime (225581).

It is a de Polignac number, because none of the positive numbers 2k-225575 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 470 + ... + 819.

It is an arithmetic number, because the mean of its divisors is an integer number (26660).

2225575 is an apocalyptic number.

225575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

225575 is a deficient number, since it is larger than the sum of its proper divisors (94345).

225575 is a wasteful number, since it uses less digits than its factorization.

225575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306 (or 1301 counting only the distinct ones).

The product of its digits is 3500, while the sum is 26.

The square root of 225575 is about 474.9473655049. The cubic root of 225575 is about 60.8737872330.

The spelling of 225575 in words is "two hundred twenty-five thousand, five hundred seventy-five".

Divisors: 1 5 7 25 35 175 1289 6445 9023 32225 45115 225575