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342430 = 25112283
BaseRepresentation
bin1010011100110011110
3122101201121
41103212132
541424210
611201154
72624224
oct1234636
9571647
10342430
11214300
121461ba
13bcb2a
148cb14
156b6da
hex5399e

342430 has 24 divisors (see below), whose sum is σ = 679896. Its totient is φ = 124080.

The previous prime is 342421. The next prime is 342449. The reversal of 342430 is 34243.

342430 = T244 + T245 + ... + T254.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

342430 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 11 ways as a sum of consecutive naturals, for example, 1069 + ... + 1351.

It is an arithmetic number, because the mean of its divisors is an integer number (28329).

2342430 is an apocalyptic number.

342430 is a deficient number, since it is larger than the sum of its proper divisors (337466).

342430 is a wasteful number, since it uses less digits than its factorization.

342430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312 (or 301 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 342430 is about 585.1751874439. The cubic root of 342430 is about 69.9612029908.

Adding to 342430 its reverse (34243), we get a palindrome (376673).

The spelling of 342430 in words is "three hundred forty-two thousand, four hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 121 242 283 566 605 1210 1415 2830 3113 6226 15565 31130 34243 68486 171215 342430