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345330234 = 23223834131
BaseRepresentation
bin10100100101010…
…101001000111010
3220001210121000200
4110211111020322
51201401031414
654133343030
711362154454
oct2445251072
9801717020
10345330234
11167a25797
1297797a76
135670c822
1433c132d4
15204b5109
hex1495523a

345330234 has 24 divisors (see below), whose sum is σ = 780747552. Its totient is φ = 110105160.

The previous prime is 345330229. The next prime is 345330241. The reversal of 345330234 is 432033543.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 345330198 and 345330207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 416652 + ... + 417479.

It is an arithmetic number, because the mean of its divisors is an integer number (32531148).

Almost surely, 2345330234 is an apocalyptic number.

345330234 is an abundant number, since it is smaller than the sum of its proper divisors (435417318).

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

345330234 is a wasteful number, since it uses less digits than its factorization.

345330234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834162 (or 834159 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 27.

The square root of 345330234 is about 18583.0630951950. The cubic root of 345330234 is about 701.5816169172.

Adding to 345330234 its reverse (432033543), we get a palindrome (777363777).

The spelling of 345330234 in words is "three hundred forty-five million, three hundred thirty thousand, two hundred thirty-four".

Divisors: 1 2 3 6 9 18 23 46 69 138 207 414 834131 1668262 2502393 5004786 7507179 15014358 19185013 38370026 57555039 115110078 172665117 345330234