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34430213 is a prime number
BaseRepresentation
bin1000001101010…
…1110100000101
32101210020101002
42003111310011
532303231323
63225543045
7565436426
oct203256405
971706332
1034430213
1118486a24
12b644a85
13719660c
14480364d
153051828
hex20d5d05

34430213 has 2 divisors, whose sum is σ = 34430214. Its totient is φ = 34430212.

The previous prime is 34430203. The next prime is 34430237. The reversal of 34430213 is 31203443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33721249 + 708964 = 5807^2 + 842^2 .

It is an emirp because it is prime and its reverse (31203443) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34430213 - 24 = 34430197 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 (34430203) 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, 17215106 + 17215107.

It is an arithmetic number, because the mean of its divisors is an integer number (17215107).

Almost surely, 234430213 is an apocalyptic number.

It is an amenable number.

34430213 is a deficient number, since it is larger than the sum of its proper divisors (1).

34430213 is an equidigital number, since it uses as much as digits as its factorization.

34430213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 34430213 is about 5867.7263910309. The cubic root of 34430213 is about 325.3218523627.

Adding to 34430213 its reverse (31203443), we get a palindrome (65633656).

It can be divided in two parts, 34430 and 213, that added together give a palindrome (34643).

The spelling of 34430213 in words is "thirty-four million, four hundred thirty thousand, two hundred thirteen".