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42262013 is a prime number
BaseRepresentation
bin1010000100110…
…1110111111101
32221112010120202
42201031313331
541304341023
64105453245
71022135603
oct241156775
987463522
1042262013
1121946092
12121a1225
1389a9311
145881873
153a9c128
hex284ddfd

42262013 has 2 divisors, whose sum is σ = 42262014. Its totient is φ = 42262012.

The previous prime is 42262009. The next prime is 42262037. The reversal of 42262013 is 31026224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25180324 + 17081689 = 5018^2 + 4133^2 .

It is a cyclic number.

It is not a de Polignac number, because 42262013 - 22 = 42262009 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42262043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21131006 + 21131007.

It is an arithmetic number, because the mean of its divisors is an integer number (21131007).

Almost surely, 242262013 is an apocalyptic number.

It is an amenable number.

42262013 is a deficient number, since it is larger than the sum of its proper divisors (1).

42262013 is an equidigital number, since it uses as much as digits as its factorization.

42262013 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 42262013 is about 6500.9240112464. The cubic root of 42262013 is about 348.3239952829.

Adding to 42262013 its reverse (31026224), we get a palindrome (73288237).

The spelling of 42262013 in words is "forty-two million, two hundred sixty-two thousand, thirteen".