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42260213 is a prime number
BaseRepresentation
bin1010000100110…
…1011011110101
32221112001010002
42201031123311
541304311323
64105441045
71022130422
oct241153365
987461102
1042260213
11219447a6
12121a0185
1389a8558
145880d49
153a9b828
hex284d6f5

42260213 has 2 divisors, whose sum is σ = 42260214. Its totient is φ = 42260212.

The previous prime is 42260203. The next prime is 42260233. The reversal of 42260213 is 31206224.

It is an a-pointer prime, because the next prime (42260233) can be obtained adding 42260213 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38167684 + 4092529 = 6178^2 + 2023^2 .

It is a cyclic number.

It is not a de Polignac number, because 42260213 - 214 = 42243829 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42260203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21130106 + 21130107.

It is an arithmetic number, because the mean of its divisors is an integer number (21130107).

Almost surely, 242260213 is an apocalyptic number.

It is an amenable number.

42260213 is a deficient number, since it is larger than the sum of its proper divisors (1).

42260213 is an equidigital number, since it uses as much as digits as its factorization.

42260213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 42260213 is about 6500.7855679141. The cubic root of 42260213 is about 348.3190500059.

Adding to 42260213 its reverse (31206224), we get a palindrome (73466437).

The spelling of 42260213 in words is "forty-two million, two hundred sixty thousand, two hundred thirteen".