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424100213 = 2931447441
BaseRepresentation
bin11001010001110…
…100000101110101
31002120000112010022
4121101310011311
51332032201323
6110025534525
713336535525
oct3121640565
91076015108
10424100213
111a8436849
12ba044445
1369b2c094
1440479685
15273744c8
hex19474175

424100213 has 4 divisors (see below), whose sum is σ = 425547948. Its totient is φ = 422652480.

The previous prime is 424100153. The next prime is 424100227. The reversal of 424100213 is 312001424.

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 185150449 + 238949764 = 13607^2 + 15458^2 .

It is a cyclic number.

It is not a de Polignac number, because 424100213 - 212 = 424096117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 424100191 and 424100200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424400213) 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, 723428 + ... + 724013.

It is an arithmetic number, because the mean of its divisors is an integer number (106386987).

Almost surely, 2424100213 is an apocalyptic number.

It is an amenable number.

424100213 is a deficient number, since it is larger than the sum of its proper divisors (1447735).

424100213 is a wasteful number, since it uses less digits than its factorization.

424100213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1447734.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 424100213 is about 20593.6935249605. The cubic root of 424100213 is about 751.3163330788.

Adding to 424100213 its reverse (312001424), we get a palindrome (736101637).

The spelling of 424100213 in words is "four hundred twenty-four million, one hundred thousand, two hundred thirteen".

Divisors: 1 293 1447441 424100213