Search a number
-
+
225227454 = 23232297127
BaseRepresentation
bin11010110110010…
…11001010111110
3120200210201222120
431123023022332
5430124234304
634203223410
75403254544
oct1533131276
9520721876
10225227454
111061537a1
1263517b66
133787abaa
1421cabd94
1514b8e0d9
hexd6cb2be

225227454 has 32 divisors (see below), whose sum is σ = 472158720. Its totient is φ = 71488032.

The previous prime is 225227447. The next prime is 225227479. The reversal of 225227454 is 454722522.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 28039 + ... + 35165.

It is an arithmetic number, because the mean of its divisors is an integer number (14754960).

Almost surely, 2225227454 is an apocalyptic number.

225227454 is an abundant number, since it is smaller than the sum of its proper divisors (246931266).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225227454 is a wasteful number, since it uses less digits than its factorization.

225227454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7384.

The product of its digits is 44800, while the sum is 33.

The square root of 225227454 is about 15007.5798848449. The cubic root of 225227454 is about 608.4250818187.

Adding to 225227454 its reverse (454722522), we get a palindrome (679949976).

The spelling of 225227454 in words is "two hundred twenty-five million, two hundred twenty-seven thousand, four hundred fifty-four".

Divisors: 1 2 3 6 23 46 69 138 229 458 687 1374 5267 7127 10534 14254 15801 21381 31602 42762 163921 327842 491763 983526 1632083 3264166 4896249 9792498 37537909 75075818 112613727 225227454