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349228 = 22117937
BaseRepresentation
bin1010101010000101100
3122202001101
41111100230
542133403
611252444
72653105
oct1252054
9582041
10349228
11219420
1214a124
13c2c59
14913ac
156d71d
hex5542c

349228 has 12 divisors (see below), whose sum is σ = 666792. Its totient is φ = 158720.

The previous prime is 349211. The next prime is 349241. The reversal of 349228 is 822943.

349228 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 349196 and 349205.

It is an unprimeable number.

349228 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, 3925 + ... + 4012.

It is an arithmetic number, because the mean of its divisors is an integer number (55566).

2349228 is an apocalyptic number.

It is an amenable number.

349228 is a deficient number, since it is larger than the sum of its proper divisors (317564).

349228 is a wasteful number, since it uses less digits than its factorization.

349228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7952 (or 7950 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 349228 is about 590.9551590434. The cubic root of 349228 is about 70.4211347530.

The spelling of 349228 in words is "three hundred forty-nine thousand, two hundred twenty-eight".

Divisors: 1 2 4 11 22 44 7937 15874 31748 87307 174614 349228