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225252255 = 3515016817
BaseRepresentation
bin11010110110100…
…01001110011111
3120200212000000010
431123101032133
5430131033010
634203534303
75403420054
oct1533211637
9520760003
10225252255
11106170398
126352a393
1337889277
1421cb702b
1514b96620
hexd6d139f

225252255 has 8 divisors (see below), whose sum is σ = 360403632. Its totient is φ = 120134528.

The previous prime is 225252253. The next prime is 225252259. The reversal of 225252255 is 552252522.

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

It is a cyclic number.

It is not a de Polignac number, because 225252255 - 21 = 225252253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225252253) 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, 7508394 + ... + 7508423.

It is an arithmetic number, because the mean of its divisors is an integer number (45050454).

Almost surely, 2225252255 is an apocalyptic number.

225252255 is a deficient number, since it is larger than the sum of its proper divisors (135151377).

225252255 is a wasteful number, since it uses less digits than its factorization.

225252255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15016825.

The product of its digits is 20000, while the sum is 30.

The square root of 225252255 is about 15008.4061445578. The cubic root of 225252255 is about 608.4474133128.

The spelling of 225252255 in words is "two hundred twenty-five million, two hundred fifty-two thousand, two hundred fifty-five".

Divisors: 1 3 5 15 15016817 45050451 75084085 225252255