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349820103 = 31277191277
BaseRepresentation
bin10100110110011…
…101010011000111
3220101020200222010
4110312131103013
51204023220403
654413505303
711445264453
oct2466352307
9811220863
10349820103
1116a512026
12991a2233
1357622359
1434661663
1520aa0603
hex14d9d4c7

349820103 has 16 divisors (see below), whose sum is σ = 471121920. Its totient is φ = 230874336.

The previous prime is 349820083. The next prime is 349820111. The reversal of 349820103 is 301028943.

It is not a de Polignac number, because 349820103 - 213 = 349811911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349820503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273301 + ... + 274577.

It is an arithmetic number, because the mean of its divisors is an integer number (29445120).

Almost surely, 2349820103 is an apocalyptic number.

349820103 is a deficient number, since it is larger than the sum of its proper divisors (121301817).

349820103 is a wasteful number, since it uses less digits than its factorization.

349820103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2126.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 349820103 is about 18703.4783663360. The cubic root of 349820103 is about 704.6091108091.

The spelling of 349820103 in words is "three hundred forty-nine million, eight hundred twenty thousand, one hundred three".

Divisors: 1 3 127 381 719 1277 2157 3831 91313 162179 273939 486537 918163 2754489 116606701 349820103