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343305430 = 25138331817
BaseRepresentation
bin10100011101100…
…110110011010110
3212220222201111221
4110131212303112
51200341233210
654022120554
711336022316
oct2435466326
9786881457
10343305430
111668724a6
1296b8015a
1356181010
1433847446
15202151da
hex14766cd6

343305430 has 32 divisors (see below), whose sum is σ = 673523424. Its totient is φ = 125227776.

The previous prime is 343305427. The next prime is 343305461. The reversal of 343305430 is 34503343.

It is a junction number, because it is equal to n+sod(n) for n = 343305395 and 343305404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5119 + ... + 26698.

It is an arithmetic number, because the mean of its divisors is an integer number (21047607).

Almost surely, 2343305430 is an apocalyptic number.

343305430 is a deficient number, since it is larger than the sum of its proper divisors (330217994).

343305430 is a wasteful number, since it uses less digits than its factorization.

343305430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31920.

The product of its (nonzero) digits is 6480, while the sum is 25.

The square root of 343305430 is about 18528.5031775370. The cubic root of 343305430 is about 700.2077138683.

Adding to 343305430 its reverse (34503343), we get a palindrome (377808773).

The spelling of 343305430 in words is "three hundred forty-three million, three hundred five thousand, four hundred thirty".

Divisors: 1 2 5 10 13 26 65 83 130 166 415 830 1079 2158 5395 10790 31817 63634 159085 318170 413621 827242 2068105 2640811 4136210 5281622 13204055 26408110 34330543 68661086 171652715 343305430