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224475457 = 297740533
BaseRepresentation
bin11010110000100…
…11100101000001
3120122101112102211
431120103211001
5424431203312
634135142121
75364003253
oct1530234501
9518345384
10224475457
1110578a808
1263214941
133767681b
1421b53cd3
1514a913a7
hexd613941

224475457 has 4 divisors (see below), whose sum is σ = 232216020. Its totient is φ = 216734896.

The previous prime is 224475403. The next prime is 224475509. The reversal of 224475457 is 754574422.

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

It can be written as a sum of positive squares in 2 ways, for example, as 108180801 + 116294656 = 10401^2 + 10784^2 .

It is a cyclic number.

It is not a de Polignac number, because 224475457 - 215 = 224442689 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224475857) 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, 3870238 + ... + 3870295.

It is an arithmetic number, because the mean of its divisors is an integer number (58054005).

Almost surely, 2224475457 is an apocalyptic number.

It is an amenable number.

224475457 is a deficient number, since it is larger than the sum of its proper divisors (7740563).

224475457 is an equidigital number, since it uses as much as digits as its factorization.

224475457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7740562.

The product of its digits is 313600, while the sum is 40.

The square root of 224475457 is about 14982.5050308685. The cubic root of 224475457 is about 607.7471834179.

The spelling of 224475457 in words is "two hundred twenty-four million, four hundred seventy-five thousand, four hundred fifty-seven".

Divisors: 1 29 7740533 224475457