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344002131 = 321116720807
BaseRepresentation
bin10100100000010…
…000111001010011
3212222022010012200
4110200100321103
51201031032011
654045054243
711344653444
oct2440207123
9788263180
10344002131
111671a8990
1297257383
1356366175
14339892cb
1520301856
hex14810e53

344002131 has 24 divisors (see below), whose sum is σ = 545336064. Its totient is φ = 207227760.

The previous prime is 344002121. The next prime is 344002189. The reversal of 344002131 is 131200443.

It is not a de Polignac number, because 344002131 - 215 = 343969363 is a prime.

It is a super-2 number, since 2×3440021312 = 236674932265082322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (344002121) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 6130 + ... + 26936.

It is an arithmetic number, because the mean of its divisors is an integer number (22722336).

Almost surely, 2344002131 is an apocalyptic number.

344002131 is a deficient number, since it is larger than the sum of its proper divisors (201333933).

344002131 is a wasteful number, since it uses less digits than its factorization.

344002131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20991 (or 20988 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 344002131 is about 18547.2944388124. The cubic root of 344002131 is about 700.6810589234.

Adding to 344002131 its reverse (131200443), we get a palindrome (475202574).

The spelling of 344002131 in words is "three hundred forty-four million, two thousand, one hundred thirty-one".

Divisors: 1 3 9 11 33 99 167 501 1503 1837 5511 16533 20807 62421 187263 228877 686631 2059893 3474769 10424307 31272921 38222459 114667377 344002131