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224403145 = 5174756171
BaseRepresentation
bin11010110000000…
…01111011001001
3120122020212020121
431120001323021
5424421400040
634133423241
75363252401
oct1530017311
9518225217
10224403145
1110574044a
126319ab21
133764c935
1421b35801
1514a79c4a
hexd601ec9

224403145 has 16 divisors (see below), whose sum is σ = 291195648. Its totient is φ = 165364480.

The previous prime is 224403139. The next prime is 224403149. The reversal of 224403145 is 541304422.

It is a happy number.

It is not a de Polignac number, because 224403145 - 211 = 224401097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224403149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24091 + ... + 32080.

It is an arithmetic number, because the mean of its divisors is an integer number (18199728).

Almost surely, 2224403145 is an apocalyptic number.

It is an amenable number.

224403145 is a deficient number, since it is larger than the sum of its proper divisors (66792503).

224403145 is a wasteful number, since it uses less digits than its factorization.

224403145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56240.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 224403145 is about 14980.0916218827. The cubic root of 224403145 is about 607.6819169892.

Adding to 224403145 its reverse (541304422), we get a palindrome (765707567).

The spelling of 224403145 in words is "two hundred twenty-four million, four hundred three thousand, one hundred forty-five".

Divisors: 1 5 17 47 85 235 799 3995 56171 280855 954907 2640037 4774535 13200185 44880629 224403145