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349540900 = 22523495409
BaseRepresentation
bin10100110101011…
…001001000100100
3220100201111222021
4110311121020210
51203440302100
654403512524
711443022452
oct2465311044
9810644867
10349540900
1116a341285
1299088744
1357555247
14345cb9d2
1520a47a1a
hex14d59224

349540900 has 18 divisors (see below), whose sum is σ = 758503970. Its totient is φ = 139816320.

The previous prime is 349540897. The next prime is 349540907. The reversal of 349540900 is 9045943.

It can be written as a sum of positive squares in 3 ways, for example, as 484 + 349540416 = 22^2 + 18696^2 .

It is not an unprimeable number, because it can be changed into a prime (349540907) 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, 1747605 + ... + 1747804.

Almost surely, 2349540900 is an apocalyptic number.

It is an amenable number.

349540900 is an abundant number, since it is smaller than the sum of its proper divisors (408963070).

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

349540900 is a wasteful number, since it uses less digits than its factorization.

349540900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3495423 (or 3495416 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 349540900 is about 18696.0129439407. The cubic root of 349540900 is about 704.4216036326.

The spelling of 349540900 in words is "three hundred forty-nine million, five hundred forty thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 100 3495409 6990818 13981636 17477045 34954090 69908180 87385225 174770450 349540900