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344344340 = 22534949333
BaseRepresentation
bin10100100001100…
…100011100010100
3212222221111122002
4110201210130110
51201123004330
654100254432
711350610234
oct2441443424
9788844562
10344344340
11167411aaa
12973a1418
1356455b62
1433a37cc4
152036ce45
hex14864714

344344340 has 24 divisors (see below), whose sum is σ = 725209800. Its totient is φ = 137340288.

The previous prime is 344344337. The next prime is 344344369. The reversal of 344344340 is 43443443.

It can be written as a sum of positive squares in 4 ways, for example, as 178810384 + 165533956 = 13372^2 + 12866^2 .

It is a congruent number.

It is an unprimeable 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 7 ways as a sum of consecutive naturals, for example, 17687 + ... + 31646.

It is an arithmetic number, because the mean of its divisors is an integer number (30217075).

Almost surely, 2344344340 is an apocalyptic number.

It is an amenable number.

344344340 is an abundant number, since it is smaller than the sum of its proper divisors (380865460).

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

344344340 is a wasteful number, since it uses less digits than its factorization.

344344340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49691 (or 49689 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 29.

The square root of 344344340 is about 18556.5174534448. The cubic root of 344344340 is about 700.9133248282.

Adding to 344344340 its reverse (43443443), we get a palindrome (387787783).

The spelling of 344344340 in words is "three hundred forty-four million, three hundred forty-four thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 349 698 1396 1745 3490 6980 49333 98666 197332 246665 493330 986660 17217217 34434434 68868868 86086085 172172170 344344340