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225415141 = 73657187
BaseRepresentation
bin11010110111110…
…00111111100101
3120201011021102221
431123320333211
5430201241031
634211232341
75404666000
oct1533707745
9521137387
10225415141
11106271806
12635a86b1
1337915453
1421d1a537
1514bc9a11
hexd6f8fe5

225415141 has 8 divisors (see below), whose sum is σ = 262875200. Its totient is φ = 193212684.

The previous prime is 225415129. The next prime is 225415153. The reversal of 225415141 is 141514522.

It is an interprime number because it is at equal distance from previous prime (225415129) and next prime (225415153).

It is not a de Polignac number, because 225415141 - 27 = 225415013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225415181) 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, 328251 + ... + 328936.

It is an arithmetic number, because the mean of its divisors is an integer number (32859400).

Almost surely, 2225415141 is an apocalyptic number.

It is an amenable number.

225415141 is a deficient number, since it is larger than the sum of its proper divisors (37460059).

225415141 is an frugal number, since it uses more digits than its factorization.

225415141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657208 (or 657194 counting only the distinct ones).

The product of its digits is 1600, while the sum is 25.

The square root of 225415141 is about 15013.8316561762. The cubic root of 225415141 is about 608.5940395709.

Adding to 225415141 its reverse (141514522), we get a palindrome (366929663).

The spelling of 225415141 in words is "two hundred twenty-five million, four hundred fifteen thousand, one hundred forty-one".

Divisors: 1 7 49 343 657187 4600309 32202163 225415141