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349726 = 21313451
BaseRepresentation
bin1010101011000011110
3122202201211
41111120132
542142401
611255034
72654416
oct1253036
9582654
10349726
11219833
1214a47a
13c3250
1491646
156d951
hex5561e

349726 has 8 divisors (see below), whose sum is σ = 564984. Its totient is φ = 161400.

The previous prime is 349717. The next prime is 349729. The reversal of 349726 is 627943.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349729) by changing a digit.

349726 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6700 + ... + 6751.

It is an arithmetic number, because the mean of its divisors is an integer number (70623).

2349726 is an apocalyptic number.

349726 is a deficient number, since it is larger than the sum of its proper divisors (215258).

349726 is a wasteful number, since it uses less digits than its factorization.

349726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13466.

The product of its digits is 9072, while the sum is 31.

The square root of 349726 is about 591.3763607044. The cubic root of 349726 is about 70.4545924258.

It can be divided in two parts, 3 and 49726, that added together give a square (49729 = 2232).

The spelling of 349726 in words is "three hundred forty-nine thousand, seven hundred twenty-six".

Divisors: 1 2 13 26 13451 26902 174863 349726