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224049631 = 1317234587
BaseRepresentation
bin11010101101010…
…11100111011111
3120121120220022111
431112223213133
5424324042011
634122054451
75360250631
oct1526534737
9517526274
10224049631
11105519893
126304a427
1337557a60
1421a82a51
1514a0a121
hexd5ab9df

224049631 has 4 divisors (see below), whose sum is σ = 241284232. Its totient is φ = 206815032.

The previous prime is 224049599. The next prime is 224049641. The reversal of 224049631 is 136940422.

It is a happy number.

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 224049631 - 25 = 224049599 is a prime.

It is a super-2 number, since 2×2240496312 = 100396474302472322, 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 = 224049593 and 224049602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224049641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8617281 + ... + 8617306.

It is an arithmetic number, because the mean of its divisors is an integer number (60321058).

Almost surely, 2224049631 is an apocalyptic number.

224049631 is a deficient number, since it is larger than the sum of its proper divisors (17234601).

224049631 is a wasteful number, since it uses less digits than its factorization.

224049631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17234600.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 224049631 is about 14968.2875106005. The cubic root of 224049631 is about 607.3626449162.

The spelling of 224049631 in words is "two hundred twenty-four million, forty-nine thousand, six hundred thirty-one".

Divisors: 1 13 17234587 224049631