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349862923 = 1512316973
BaseRepresentation
bin10100110110100…
…111110000001011
3220101022212201001
4110312213300023
51204031103143
654414435431
711445533344
oct2466476013
9811285631
10349862923
1116a541213
1299202b77
13576389a7
14346730cb
1520aad14d
hex14da7c0b

349862923 has 4 divisors (see below), whose sum is σ = 352180048. Its totient is φ = 347545800.

The previous prime is 349862899. The next prime is 349862977. The reversal of 349862923 is 329268943.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 329268943 = 2314316041.

It is a cyclic number.

It is not a de Polignac number, because 349862923 - 225 = 316308491 is a prime.

It is a Duffinian number.

It is a zygodrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (349860923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1158336 + ... + 1158637.

It is an arithmetic number, because the mean of its divisors is an integer number (88045012).

Almost surely, 2349862923 is an apocalyptic number.

349862923 is a deficient number, since it is larger than the sum of its proper divisors (2317125).

349862923 is a wasteful number, since it uses less digits than its factorization.

349862923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2317124.

The product of its digits is 559872, while the sum is 46.

The square root of 349862923 is about 18704.6230381689. The cubic root of 349862923 is about 704.6378590437.

The spelling of 349862923 in words is "three hundred forty-nine million, eight hundred sixty-two thousand, nine hundred twenty-three".

Divisors: 1 151 2316973 349862923