Search a number
-
+
34023881 is a prime number
BaseRepresentation
bin1000000111001…
…0100111001001
32101000120222202
42001302213021
532202231011
63213125545
7562124663
oct201624711
971016882
1034023881
1118229711
12b4898b5
137083698
144739533
152ec123b
hex20729c9

34023881 has 2 divisors, whose sum is σ = 34023882. Its totient is φ = 34023880.

The previous prime is 34023863. The next prime is 34023893. The reversal of 34023881 is 18832043.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33825856 + 198025 = 5816^2 + 445^2 .

It is an emirp because it is prime and its reverse (18832043) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-34023881 is a prime.

It is a super-2 number, since 2×340238812 = 2315248956604322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (34023811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17011940 + 17011941.

It is an arithmetic number, because the mean of its divisors is an integer number (17011941).

Almost surely, 234023881 is an apocalyptic number.

It is an amenable number.

34023881 is a deficient number, since it is larger than the sum of its proper divisors (1).

34023881 is an equidigital number, since it uses as much as digits as its factorization.

34023881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 34023881 is about 5832.9993142465. Note that the first 3 decimals coincide. The cubic root of 34023881 is about 324.0370105818.

The spelling of 34023881 in words is "thirty-four million, twenty-three thousand, eight hundred eighty-one".