Search a number
-
+
343542469 is a prime number
BaseRepresentation
bin10100011110100…
…000101011000101
3212221102202200011
4110132200223011
51200421324334
654031150221
711341030354
oct2436405305
9787382604
10343542469
11166a145a6
1297075371
1356234b8a
14338a999b
1520260564
hex147a0ac5

343542469 has 2 divisors, whose sum is σ = 343542470. Its totient is φ = 343542468.

The previous prime is 343542379. The next prime is 343542491. The reversal of 343542469 is 964245343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 271920100 + 71622369 = 16490^2 + 8463^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-343542469 is a prime.

It is a super-2 number, since 2×3435424692 = 236042856013231922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343542499) 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, 171771234 + 171771235.

It is an arithmetic number, because the mean of its divisors is an integer number (171771235).

Almost surely, 2343542469 is an apocalyptic number.

It is an amenable number.

343542469 is a deficient number, since it is larger than the sum of its proper divisors (1).

343542469 is an equidigital number, since it uses as much as digits as its factorization.

343542469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 40.

The square root of 343542469 is about 18534.8986778995. The cubic root of 343542469 is about 700.3688321577.

The spelling of 343542469 in words is "three hundred forty-three million, five hundred forty-two thousand, four hundred sixty-nine".