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424102213 = 1724947189
BaseRepresentation
bin11001010001110…
…100100101000101
31002120000121212101
4121101310211011
51332032232323
6110025552101
713336544413
oct3121644505
91076017771
10424102213
111a84382a7
12ba045631
1369b2cc72
144047a2b3
1527374dad
hex19474945

424102213 has 4 divisors (see below), whose sum is σ = 449049420. Its totient is φ = 399155008.

The previous prime is 424102201. The next prime is 424102223. The reversal of 424102213 is 312201424.

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 389786049 + 34316164 = 19743^2 + 5858^2 .

It is a cyclic number.

It is not a de Polignac number, because 424102213 - 29 = 424101701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424102223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12473578 + ... + 12473611.

It is an arithmetic number, because the mean of its divisors is an integer number (112262355).

Almost surely, 2424102213 is an apocalyptic number.

It is an amenable number.

424102213 is a deficient number, since it is larger than the sum of its proper divisors (24947207).

424102213 is a wasteful number, since it uses less digits than its factorization.

424102213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24947206.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 424102213 is about 20593.7420834583. The cubic root of 424102213 is about 751.3175141128.

Adding to 424102213 its reverse (312201424), we get a palindrome (736303637).

The spelling of 424102213 in words is "four hundred twenty-four million, one hundred two thousand, two hundred thirteen".

Divisors: 1 17 24947189 424102213