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349602845 = 569920569
BaseRepresentation
bin10100110101101…
…000010000011101
3220100211122221112
4110311220100131
51203444242340
654405111405
711443401164
oct2465502035
9810748845
10349602845
1116a383879
12990b8565
13575774b7
14346063db
1520a5b065
hex14d6841d

349602845 has 4 divisors (see below), whose sum is σ = 419523420. Its totient is φ = 279682272.

The previous prime is 349602839. The next prime is 349602853. The reversal of 349602845 is 548206943.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 218980804 + 130622041 = 14798^2 + 11429^2 .

It is a cyclic number.

It is not a de Polignac number, because 349602845 - 228 = 81167389 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34960280 + ... + 34960289.

It is an arithmetic number, because the mean of its divisors is an integer number (104880855).

Almost surely, 2349602845 is an apocalyptic number.

It is an amenable number.

349602845 is a deficient number, since it is larger than the sum of its proper divisors (69920575).

349602845 is an equidigital number, since it uses as much as digits as its factorization.

349602845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69920574.

The product of its (nonzero) digits is 207360, while the sum is 41.

The square root of 349602845 is about 18697.6695071873. The cubic root of 349602845 is about 704.4632132781.

The spelling of 349602845 in words is "three hundred forty-nine million, six hundred two thousand, eight hundred forty-five".

Divisors: 1 5 69920569 349602845