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224313431 = 421532811
BaseRepresentation
bin11010101111011…
…00000001010111
3120122002022011212
431113230001113
5424411012211
634131452035
75362430006
oct1527540127
9518068155
10224313431
1110568a001
126315701b
133761ab54
1421b10c3d
1514a5d38b
hexd5ec057

224313431 has 4 divisors (see below), whose sum is σ = 224846664. Its totient is φ = 223780200.

The previous prime is 224313421. The next prime is 224313433. The reversal of 224313431 is 134313422.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 224313431 - 26 = 224313367 is a prime.

It is a super-2 number, since 2×2243134312 = 100633030653983522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 224313397 and 224313406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224313433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265985 + ... + 266826.

It is an arithmetic number, because the mean of its divisors is an integer number (56211666).

Almost surely, 2224313431 is an apocalyptic number.

224313431 is a deficient number, since it is larger than the sum of its proper divisors (533233).

224313431 is an equidigital number, since it uses as much as digits as its factorization.

224313431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533232.

The product of its digits is 1728, while the sum is 23.

The square root of 224313431 is about 14977.0968815722. The cubic root of 224313431 is about 607.6009245974.

Adding to 224313431 its reverse (134313422), we get a palindrome (358626853).

Subtracting from 224313431 its reverse (134313422), we obtain a palindrome (90000009).

The spelling of 224313431 in words is "two hundred twenty-four million, three hundred thirteen thousand, four hundred thirty-one".

Divisors: 1 421 532811 224313431