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224421131 = 11177116903
BaseRepresentation
bin11010110000001…
…10010100001011
3120122021202220202
431120012110023
5424422434011
634134042415
75363356004
oct1530062413
9518252822
10224421131
11105752a10
12631a940b
1337657b8c
1421b3c1ab
1514a8023b
hexd60650b

224421131 has 16 divisors (see below), whose sum is σ = 262891008. Its totient is φ = 189302400.

The previous prime is 224421107. The next prime is 224421149. The reversal of 224421131 is 131124422.

It is a cyclic number.

It is not a de Polignac number, because 224421131 - 222 = 220226827 is a prime.

It is a super-2 number, since 2×2244211312 = 100729688078638322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224421181) 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, 4826 + ... + 21728.

It is an arithmetic number, because the mean of its divisors is an integer number (16430688).

Almost surely, 2224421131 is an apocalyptic number.

224421131 is a deficient number, since it is larger than the sum of its proper divisors (38469877).

224421131 is a wasteful number, since it uses less digits than its factorization.

224421131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17002.

The product of its digits is 384, while the sum is 20.

The square root of 224421131 is about 14980.6919399606. The cubic root of 224421131 is about 607.6981518701.

Adding to 224421131 its reverse (131124422), we get a palindrome (355545553).

The spelling of 224421131 in words is "two hundred twenty-four million, four hundred twenty-one thousand, one hundred thirty-one".

Divisors: 1 11 17 71 187 781 1207 13277 16903 185933 287351 1200113 3160861 13201243 20401921 224421131