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344140 = 22517207
BaseRepresentation
bin1010100000001001100
3122111001221
41110001030
542003030
611213124
72632216
oct1240114
9574057
10344140
11215615
121471a4
13c0844
148d5b6
156be7a
hex5404c

344140 has 12 divisors (see below), whose sum is σ = 722736. Its totient is φ = 137648.

The previous prime is 344117. The next prime is 344153. The reversal of 344140 is 41443.

It is an unprimeable number.

344140 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, 8584 + ... + 8623.

It is an arithmetic number, because the mean of its divisors is an integer number (60228).

2344140 is an apocalyptic number.

It is an amenable number.

344140 is an abundant number, since it is smaller than the sum of its proper divisors (378596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

344140 is a wasteful number, since it uses less digits than its factorization.

344140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17216 (or 17214 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 344140 is about 586.6344688134. The cubic root of 344140 is about 70.0774652621.

Adding to 344140 its reverse (41443), we get a palindrome (385583).

It can be divided in two parts, 3441 and 40, that added together give a square (3481 = 592).

The spelling of 344140 in words is "three hundred forty-four thousand, one hundred forty", and thus it is an iban number.

Divisors: 1 2 4 5 10 20 17207 34414 68828 86035 172070 344140