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349550239 = 19175910459
BaseRepresentation
bin10100110101011…
…011011010011111
3220100201222210011
4110311123122133
51203441101424
654404024051
711443061623
oct2465333237
9810658704
10349550239
1116a3482a5
1299092027
135755957c
14345d1183
1520a4a694
hex14d5b69f

349550239 has 8 divisors (see below), whose sum is σ = 368192000. Its totient is φ = 330932952.

The previous prime is 349550237. The next prime is 349550261. The reversal of 349550239 is 932055943.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 349550239 - 21 = 349550237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349550237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28192 + ... + 38650.

It is an arithmetic number, because the mean of its divisors is an integer number (46024000).

Almost surely, 2349550239 is an apocalyptic number.

349550239 is a deficient number, since it is larger than the sum of its proper divisors (18641761).

349550239 is a wasteful number, since it uses less digits than its factorization.

349550239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12237.

The product of its (nonzero) digits is 145800, while the sum is 40.

The square root of 349550239 is about 18696.2627014064. The cubic root of 349550239 is about 704.4278771328.

The spelling of 349550239 in words is "three hundred forty-nine million, five hundred fifty thousand, two hundred thirty-nine".

Divisors: 1 19 1759 10459 33421 198721 18397381 349550239