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342431243 = 71119297127
BaseRepresentation
bin10100011010010…
…001011000001011
3212212100022100122
4110122101120023
51200130244433
653551253455
711325421550
oct2432213013
9785308318
10342431243
11166325730
129681a28b
1355c3614b
143369aa27
15200e1198
hex1469160b

342431243 has 48 divisors (see below), whose sum is σ = 458809344. Its totient is φ = 248209920.

The previous prime is 342431227. The next prime is 342431273. The reversal of 342431243 is 342134243.

It is not a de Polignac number, because 342431243 - 24 = 342431227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (342431213) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2696246 + ... + 2696372.

It is an arithmetic number, because the mean of its divisors is an integer number (9558528).

Almost surely, 2342431243 is an apocalyptic number.

342431243 is a deficient number, since it is larger than the sum of its proper divisors (116378101).

342431243 is a wasteful number, since it uses less digits than its factorization.

342431243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280 (or 261 counting only the distinct ones).

The product of its digits is 6912, while the sum is 26.

The square root of 342431243 is about 18504.8978111202. The cubic root of 342431243 is about 699.6128764233.

Adding to 342431243 its reverse (342134243), we get a palindrome (684565486).

The spelling of 342431243 in words is "three hundred forty-two million, four hundred thirty-one thousand, two hundred forty-three".

Divisors: 1 7 11 19 77 97 127 133 209 361 679 889 1067 1397 1463 1843 2413 2527 3971 7469 9779 12319 12901 16891 20273 26543 27797 35017 45847 86233 135509 141911 185801 234061 245119 320929 385187 504317 948563 1638427 2574671 2696309 3530219 4447159 18022697 31130113 48918749 342431243