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349863 = 3139839
BaseRepresentation
bin1010101011010100111
3122202220220
41111122213
542143423
611255423
72655003
oct1253247
9582826
10349863
11219948
1214a573
13c3327
1491703
156d9e3
hex556a7

349863 has 8 divisors (see below), whose sum is σ = 470400. Its totient is φ = 231288.

The previous prime is 349849. The next prime is 349871. The reversal of 349863 is 368943.

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

It is not a de Polignac number, because 349863 - 25 = 349831 is a prime.

It is a d-powerful number, because it can be written as 37 + 48 + 8 + 9 + 67 + 37 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3 + ... + 836.

It is an arithmetic number, because the mean of its divisors is an integer number (58800).

2349863 is an apocalyptic number.

349863 is a deficient number, since it is larger than the sum of its proper divisors (120537).

349863 is a wasteful number, since it uses less digits than its factorization.

349863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981.

The product of its digits is 15552, while the sum is 33.

The square root of 349863 is about 591.4921808443. The cubic root of 349863 is about 70.4637910737.

The spelling of 349863 in words is "three hundred forty-nine thousand, eight hundred sixty-three".

Divisors: 1 3 139 417 839 2517 116621 349863