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349730806 = 2713497057
BaseRepresentation
bin10100110110000…
…111011111110110
3220101002011110211
4110312013133312
51204012341211
654411540034
711444443225
oct2466073766
9811064424
10349730806
1116a460a27
129915a61a
13575c0809
143463acbc
1520a83e21
hex14d877f6

349730806 has 16 divisors (see below), whose sum is σ = 533584800. Its totient is φ = 171884160.

The previous prime is 349730791. The next prime is 349730827. The reversal of 349730806 is 608037943.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46030 + ... + 53086.

It is an arithmetic number, because the mean of its divisors is an integer number (33349050).

Almost surely, 2349730806 is an apocalyptic number.

349730806 is a deficient number, since it is larger than the sum of its proper divisors (183853994).

349730806 is a wasteful number, since it uses less digits than its factorization.

349730806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7479.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 349730806 is about 18701.0910376908. The cubic root of 349730806 is about 704.5491515770.

The spelling of 349730806 in words is "three hundred forty-nine million, seven hundred thirty thousand, eight hundred six".

Divisors: 1 2 71 142 349 698 7057 14114 24779 49558 501047 1002094 2462893 4925786 174865403 349730806