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225069 = 31329199
BaseRepresentation
bin110110111100101101
3102102201220
4312330231
524200234
64453553
71625115
oct667455
9372656
10225069
11144109
12aa2b9
137b5a0
145c045
1546a49
hex36f2d

225069 has 16 divisors (see below), whose sum is σ = 336000. Its totient is φ = 133056.

The previous prime is 225067. The next prime is 225077. The reversal of 225069 is 960522.

It is not a de Polignac number, because 225069 - 21 = 225067 is a prime.

It is a super-2 number, since 2×2250692 = 101312109522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1032 + ... + 1230.

It is an arithmetic number, because the mean of its divisors is an integer number (21000).

2225069 is an apocalyptic number.

225069 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

225069 is a deficient number, since it is larger than the sum of its proper divisors (110931).

225069 is a wasteful number, since it uses less digits than its factorization.

225069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 225069 is about 474.4143758361. The cubic root of 225069 is about 60.8282366823.

The spelling of 225069 in words is "two hundred twenty-five thousand, sixty-nine".

Divisors: 1 3 13 29 39 87 199 377 597 1131 2587 5771 7761 17313 75023 225069