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225071061 = 384618867
BaseRepresentation
bin11010110101001…
…00111111010101
3120200111210110020
431122210333111
5430104233221
634200015353
75402033565
oct1532447725
9520453406
10225071061
11106057246
1263461559
1337824957
1421c6ada5
1514b5cac6
hexd6a4fd5

225071061 has 8 divisors (see below), whose sum is σ = 300164064. Its totient is φ = 150012720.

The previous prime is 225071057. The next prime is 225071069. The reversal of 225071061 is 160170522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 225071061 - 22 = 225071057 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225071069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20950 + ... + 29816.

It is an arithmetic number, because the mean of its divisors is an integer number (37520508).

Almost surely, 2225071061 is an apocalyptic number.

It is an amenable number.

225071061 is a deficient number, since it is larger than the sum of its proper divisors (75093003).

225071061 is an equidigital number, since it uses as much as digits as its factorization.

225071061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17331.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 225071061 is about 15002.3685130049. The cubic root of 225071061 is about 608.2842235371.

The spelling of 225071061 in words is "two hundred twenty-five million, seventy-one thousand, sixty-one".

Divisors: 1 3 8461 8867 25383 26601 75023687 225071061