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349124238 = 23219395791
BaseRepresentation
bin10100110011110…
…011011010001110
3220022221100102100
4110303303122032
51203333433423
654350535530
711436335631
oct2463633216
9808840370
10349124238
1116a087231
1298b075a6
135743a6b8
143451dc18
15209b4343
hex14cf368e

349124238 has 12 divisors (see below), whose sum is σ = 756435888. Its totient is φ = 116374740.

The previous prime is 349124233. The next prime is 349124239. The reversal of 349124238 is 832421943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349124233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9697878 + ... + 9697913.

It is an arithmetic number, because the mean of its divisors is an integer number (63036324).

Almost surely, 2349124238 is an apocalyptic number.

349124238 is an abundant number, since it is smaller than the sum of its proper divisors (407311650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

349124238 is a wasteful number, since it uses less digits than its factorization.

349124238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19395799 (or 19395796 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 349124238 is about 18684.8665502326. The cubic root of 349124238 is about 704.1415959485.

The spelling of 349124238 in words is "three hundred forty-nine million, one hundred twenty-four thousand, two hundred thirty-eight".

Divisors: 1 2 3 6 9 18 19395791 38791582 58187373 116374746 174562119 349124238