Search a number
-
+
346221 = 3312823
BaseRepresentation
bin1010100100001101101
3122120221000
41110201231
542034341
611230513
72641251
oct1244155
9576830
10346221
11217137
12148439
13c1785
1490261
156c8b6
hex5486d

346221 has 8 divisors (see below), whose sum is σ = 512960. Its totient is φ = 230796.

The previous prime is 346217. The next prime is 346223. The reversal of 346221 is 122643.

It is a happy number.

It is not a de Polignac number, because 346221 - 22 = 346217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 346194 and 346203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (346223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6385 + ... + 6438.

It is an arithmetic number, because the mean of its divisors is an integer number (64120).

2346221 is an apocalyptic number.

It is an amenable number.

346221 is a deficient number, since it is larger than the sum of its proper divisors (166739).

346221 is a wasteful number, since it uses less digits than its factorization.

346221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12832 (or 12826 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 346221 is about 588.4054724423. The cubic root of 346221 is about 70.2184333213.

Adding to 346221 its reverse (122643), we get a palindrome (468864).

The spelling of 346221 in words is "three hundred forty-six thousand, two hundred twenty-one".

Divisors: 1 3 9 27 12823 38469 115407 346221