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224421307 = 1131658127
BaseRepresentation
bin11010110000001…
…10010110111011
3120122021210011021
431120012112323
5424422440212
634134043311
75363356345
oct1530062673
9518253137
10224421307
11105753060
12631a9537
1337657c96
1421b3c295
1514a80307
hexd6065bb

224421307 has 8 divisors (see below), whose sum is σ = 252721152. Its totient is φ = 197437800.

The previous prime is 224421289. The next prime is 224421341. The reversal of 224421307 is 703124422.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 224421307 - 211 = 224419259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224421347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328723 + ... + 329404.

It is an arithmetic number, because the mean of its divisors is an integer number (31590144).

Almost surely, 2224421307 is an apocalyptic number.

224421307 is a deficient number, since it is larger than the sum of its proper divisors (28299845).

224421307 is a wasteful number, since it uses less digits than its factorization.

224421307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658169.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 224421307 is about 14980.6978141874. The cubic root of 224421307 is about 607.6983107304.

Adding to 224421307 its reverse (703124422), we get a palindrome (927545729).

The spelling of 224421307 in words is "two hundred twenty-four million, four hundred twenty-one thousand, three hundred seven".

Divisors: 1 11 31 341 658127 7239397 20401937 224421307