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225242411 = 1391620449
BaseRepresentation
bin11010110110011…
…10110100101011
3120200211111111112
431123032310223
5430130224121
634203420535
75403346262
oct1533166453
9520744445
10225242411
11106163a59
126352474b
1337884944
1421cb35d9
1514b9375b
hexd6ced2b

225242411 has 4 divisors (see below), whose sum is σ = 226863000. Its totient is φ = 223621824.

The previous prime is 225242399. The next prime is 225242417. The reversal of 225242411 is 114242522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 114242522 = 257121261.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-225242411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225242417) 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, 810086 + ... + 810363.

It is an arithmetic number, because the mean of its divisors is an integer number (56715750).

Almost surely, 2225242411 is an apocalyptic number.

225242411 is a deficient number, since it is larger than the sum of its proper divisors (1620589).

225242411 is a wasteful number, since it uses less digits than its factorization.

225242411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1620588.

The product of its digits is 1280, while the sum is 23.

The square root of 225242411 is about 15008.0781914274. The cubic root of 225242411 is about 608.4385497040.

Adding to 225242411 its reverse (114242522), we get a palindrome (339484933).

The spelling of 225242411 in words is "two hundred twenty-five million, two hundred forty-two thousand, four hundred eleven".

Divisors: 1 139 1620449 225242411