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225240254 = 2831356869
BaseRepresentation
bin11010110110011…
…10010010111110
3120200211101112122
431123032102332
5430130142004
634203402542
75403340061
oct1533162276
9520741478
10225240254
11106162378
1263523452
1337883975
1421cb28d8
1514b92cbe
hexd6ce4be

225240254 has 8 divisors (see below), whose sum is σ = 341931240. Its totient is φ = 111263176.

The previous prime is 225240251. The next prime is 225240263. The reversal of 225240254 is 452042522.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225240251) 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 3 ways as a sum of consecutive naturals, for example, 678269 + ... + 678600.

It is an arithmetic number, because the mean of its divisors is an integer number (42741405).

Almost surely, 2225240254 is an apocalyptic number.

225240254 is a deficient number, since it is larger than the sum of its proper divisors (116690986).

225240254 is a wasteful number, since it uses less digits than its factorization.

225240254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356954.

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 225240254 is about 15008.0063299560. The cubic root of 225240254 is about 608.4366074911.

Adding to 225240254 its reverse (452042522), we get a palindrome (677282776).

The spelling of 225240254 in words is "two hundred twenty-five million, two hundred forty thousand, two hundred fifty-four".

Divisors: 1 2 83 166 1356869 2713738 112620127 225240254