Search a number
-
+
42425371 is a prime number
BaseRepresentation
bin1010000111010…
…1110000011011
32221211102200001
42201311300123
541330102441
64113153431
71023416062
oct241656033
987742601
1042425371
1121a4789a
121225b877
138a35791
1458c51d9
153ad0731
hex2875c1b

42425371 has 2 divisors, whose sum is σ = 42425372. Its totient is φ = 42425370.

The previous prime is 42425359. The next prime is 42425377. The reversal of 42425371 is 17352424.

42425371 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42425371 - 29 = 42424859 is a prime.

It is not a weakly prime, because it can be changed into another prime (42425377) 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 as a sum of consecutive naturals, namely, 21212685 + 21212686.

It is an arithmetic number, because the mean of its divisors is an integer number (21212686).

Almost surely, 242425371 is an apocalyptic number.

42425371 is a deficient number, since it is larger than the sum of its proper divisors (1).

42425371 is an equidigital number, since it uses as much as digits as its factorization.

42425371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6720, while the sum is 28.

The square root of 42425371 is about 6513.4761072718. The cubic root of 42425371 is about 348.7722177664.

Adding to 42425371 its reverse (17352424), we get a palindrome (59777795).

The spelling of 42425371 in words is "forty-two million, four hundred twenty-five thousand, three hundred seventy-one".