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224201331 = 3331267863
BaseRepresentation
bin11010101110100…
…00101001110011
3120121212121102000
431113100221303
5424343420311
634125225043
75361452124
oct1527205163
9517777360
10224201331
11105612862
1263102183
13375abb13
1421ac204b
1514a3a056
hexd5d0a73

224201331 has 16 divisors (see below), whose sum is σ = 342865920. Its totient is φ = 144645480.

The previous prime is 224201279. The next prime is 224201333. The reversal of 224201331 is 133102422.

It is not a de Polignac number, because 224201331 - 27 = 224201203 is a prime.

It is a super-4 number, since 4×2242013314 (a number of 35 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (224201333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133095 + ... + 134768.

It is an arithmetic number, because the mean of its divisors is an integer number (21429120).

Almost surely, 2224201331 is an apocalyptic number.

224201331 is a deficient number, since it is larger than the sum of its proper divisors (118664589).

224201331 is a wasteful number, since it uses less digits than its factorization.

224201331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267903 (or 267897 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 224201331 is about 14973.3540330816. The cubic root of 224201331 is about 607.4996921199.

Adding to 224201331 its reverse (133102422), we get a palindrome (357303753).

The spelling of 224201331 in words is "two hundred twenty-four million, two hundred one thousand, three hundred thirty-one".

Divisors: 1 3 9 27 31 93 279 837 267863 803589 2410767 7232301 8303753 24911259 74733777 224201331