Search a number
-
+
225508543 = 1319190821
BaseRepresentation
bin11010111000011…
…11110010111111
3120201100000120021
431130033302333
5430212233133
634213233011
75405535211
oct1534176277
9521300507
10225508543
111063259a7
1263632767
1337948b10
1421d425b1
1514be752d
hexd70fcbf

225508543 has 8 divisors (see below), whose sum is σ = 244129536. Its totient is φ = 207069600.

The previous prime is 225508531. The next prime is 225508559. The reversal of 225508543 is 345805522.

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 225508543 - 225 = 191954111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225508499 and 225508508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225508513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42928 + ... + 47893.

It is an arithmetic number, because the mean of its divisors is an integer number (30516192).

Almost surely, 2225508543 is an apocalyptic number.

225508543 is a deficient number, since it is larger than the sum of its proper divisors (18620993).

225508543 is a wasteful number, since it uses less digits than its factorization.

225508543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91025.

The product of its (nonzero) digits is 48000, while the sum is 34.

The square root of 225508543 is about 15016.9418657728. The cubic root of 225508543 is about 608.6780860563.

The spelling of 225508543 in words is "two hundred twenty-five million, five hundred eight thousand, five hundred forty-three".

Divisors: 1 13 191 2483 90821 1180673 17346811 225508543