Search a number
-
+
34042531 is a prime number
BaseRepresentation
bin1000000111011…
…1001010100011
32101001112120111
42001313022203
532203330111
63213352151
7562233235
oct201671243
971045514
1034042531
1118241726
12b498657
13708c013
144742255
152ec6a21
hex20772a3

34042531 has 2 divisors, whose sum is σ = 34042532. Its totient is φ = 34042530.

The previous prime is 34042513. The next prime is 34042559. The reversal of 34042531 is 13524043.

Together with previous prime (34042513) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34042531 - 27 = 34042403 is a prime.

It is a super-2 number, since 2×340425312 = 2317787833771922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (34042501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17021265 + 17021266.

It is an arithmetic number, because the mean of its divisors is an integer number (17021266).

Almost surely, 234042531 is an apocalyptic number.

34042531 is a deficient number, since it is larger than the sum of its proper divisors (1).

34042531 is an equidigital number, since it uses as much as digits as its factorization.

34042531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 34042531 is about 5834.5977582006. The cubic root of 34042531 is about 324.0962061254.

Adding to 34042531 its reverse (13524043), we get a palindrome (47566574).

The spelling of 34042531 in words is "thirty-four million, forty-two thousand, five hundred thirty-one".