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349485340 = 22517474267
BaseRepresentation
bin10100110101001…
…011100100011100
3220100121200202111
4110311023210130
51203432012330
654402403404
711442401461
oct2465134434
9810550674
10349485340
1116a303566
1299060564
1357535b79
14345b5668
1520a3632a
hex14d4b91c

349485340 has 12 divisors (see below), whose sum is σ = 733919256. Its totient is φ = 139794128.

The previous prime is 349485329. The next prime is 349485343. The reversal of 349485340 is 43584943.

It is a happy number.

349485340 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 349485293 and 349485302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349485343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8737114 + ... + 8737153.

It is an arithmetic number, because the mean of its divisors is an integer number (61159938).

Almost surely, 2349485340 is an apocalyptic number.

It is an amenable number.

349485340 is an abundant number, since it is smaller than the sum of its proper divisors (384433916).

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

349485340 is a wasteful number, since it uses less digits than its factorization.

349485340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17474276 (or 17474274 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 40.

The square root of 349485340 is about 18694.5270065867. The cubic root of 349485340 is about 704.3842787319.

The spelling of 349485340 in words is "three hundred forty-nine million, four hundred eighty-five thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 17474267 34948534 69897068 87371335 174742670 349485340