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344989 = 4371113
BaseRepresentation
bin1010100001110011101
3122112020101
41110032131
542014424
611221101
72634541
oct1241635
9575211
10344989
11216217
12147791
13c1048
148da21
156c344
hex5439d

344989 has 8 divisors (see below), whose sum is σ = 361152. Its totient is φ = 329280.

The previous prime is 344987. The next prime is 345001. The reversal of 344989 is 989443.

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

It is a cyclic number.

It is not a de Polignac number, because 344989 - 21 = 344987 is a prime.

It is a d-powerful number, because it can be written as 39 + 46 + 9 + 49 + 8 + 95 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344987) 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, 2997 + ... + 3109.

It is an arithmetic number, because the mean of its divisors is an integer number (45144).

2344989 is an apocalyptic number.

It is an amenable number.

344989 is a deficient number, since it is larger than the sum of its proper divisors (16163).

344989 is a wasteful number, since it uses less digits than its factorization.

344989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227.

The product of its digits is 31104, while the sum is 37.

The square root of 344989 is about 587.3576423271. The cubic root of 344989 is about 70.1350454225.

The spelling of 344989 in words is "three hundred forty-four thousand, nine hundred eighty-nine".

Divisors: 1 43 71 113 3053 4859 8023 344989