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225430141 = 11316312239
BaseRepresentation
bin11010110111111…
…00101001111101
3120201012001000111
431123330221331
5430202231031
634211430021
75405060506
oct1533745175
9521161014
10225430141
11106282002
12635b5311
133791c221
1421d21bad
1514bce1b1
hexd6fca7d

225430141 has 8 divisors (see below), whose sum is σ = 228839040. Its totient is φ = 222046272.

The previous prime is 225430129. The next prime is 225430169. The reversal of 225430141 is 141034522.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-225430141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225430111) 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, 12300 + ... + 24538.

It is an arithmetic number, because the mean of its divisors is an integer number (28604880).

Almost surely, 2225430141 is an apocalyptic number.

It is an amenable number.

225430141 is a deficient number, since it is larger than the sum of its proper divisors (3408899).

225430141 is a wasteful number, since it uses less digits than its factorization.

225430141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12515.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 225430141 is about 15014.3311872357. The cubic root of 225430141 is about 608.6075386761.

Adding to 225430141 its reverse (141034522), we get a palindrome (366464663).

The spelling of 225430141 in words is "two hundred twenty-five million, four hundred thirty thousand, one hundred forty-one".

Divisors: 1 113 163 12239 18419 1383007 1994957 225430141