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349798160 = 2454372477
BaseRepresentation
bin10100110110010…
…111111100010000
3220101012120212102
4110312113330100
51204022020120
654413215532
711445143465
oct2466277420
9811176772
10349798160
1116a4a7598
12991915a8
135761537a
143465766c
1520a98d75
hex14d97f10

349798160 has 20 divisors (see below), whose sum is σ = 813280908. Its totient is φ = 139919232.

The previous prime is 349798139. The next prime is 349798177. The reversal of 349798160 is 61897943.

It can be written as a sum of positive squares in 2 ways, for example, as 277955584 + 71842576 = 16672^2 + 8476^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2186159 + ... + 2186318.

Almost surely, 2349798160 is an apocalyptic number.

It is an amenable number.

349798160 is an abundant number, since it is smaller than the sum of its proper divisors (463482748).

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

349798160 is a wasteful number, since it uses less digits than its factorization.

349798160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4372490 (or 4372484 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 349798160 is about 18702.8917550201. The cubic root of 349798160 is about 704.5943779403.

The spelling of 349798160 in words is "three hundred forty-nine million, seven hundred ninety-eight thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 80 4372477 8744954 17489908 21862385 34979816 43724770 69959632 87449540 174899080 349798160