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505414343 = 7357120219
BaseRepresentation
bin11110001000000…
…000001011000111
31022020000201010202
4132020000023013
52013341224333
6122052441115
715344644130
oct3610001307
91266021122
10505414343
1123a325305
1212131919b
138092c655
144b1a4c87
152e5875e8
hex1e2002c7

505414343 has 8 divisors (see below), whose sum is σ = 577806720. Its totient is φ = 433069560.

The previous prime is 505414331. The next prime is 505414363. The reversal of 505414343 is 343414505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 505414343 - 218 = 505152199 is a prime.

It is a super-2 number, since 2×5054143432 = 510887316220243298, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505414363) 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 in 7 ways as a sum of consecutive naturals, for example, 14888 + ... + 35106.

It is an arithmetic number, because the mean of its divisors is an integer number (72225840).

Almost surely, 2505414343 is an apocalyptic number.

505414343 is a deficient number, since it is larger than the sum of its proper divisors (72392377).

505414343 is a wasteful number, since it uses less digits than its factorization.

505414343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23797.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 505414343 is about 22481.4221747647. The cubic root of 505414343 is about 796.5551579329. Note that the first 3 decimals are identical.

Adding to 505414343 its reverse (343414505), we get a palindrome (848828848).

The spelling of 505414343 in words is "five hundred five million, four hundred fourteen thousand, three hundred forty-three".

Divisors: 1 7 3571 20219 24997 141533 72202049 505414343