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344489 = 1918131
BaseRepresentation
bin1010100000110101001
3122111112212
41110012221
542010424
611214505
72633225
oct1240651
9574485
10344489
11215902
12147435
13c0a52
148d785
156c10e
hex541a9

344489 has 4 divisors (see below), whose sum is σ = 362640. Its totient is φ = 326340.

The previous prime is 344483. The next prime is 344497. The reversal of 344489 is 984443.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 984443 = 1496607.

It is a cyclic number.

It is not a de Polignac number, because 344489 - 212 = 340393 is a prime.

It is a super-2 number, since 2×3444892 = 237345342242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (344483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9047 + ... + 9084.

It is an arithmetic number, because the mean of its divisors is an integer number (90660).

2344489 is an apocalyptic number.

It is an amenable number.

344489 is a deficient number, since it is larger than the sum of its proper divisors (18151).

344489 is a wasteful number, since it uses less digits than its factorization.

344489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18150.

The product of its digits is 13824, while the sum is 32.

The square root of 344489 is about 586.9318529438. The cubic root of 344489 is about 70.1011462956.

The spelling of 344489 in words is "three hundred forty-four thousand, four hundred eighty-nine".

Divisors: 1 19 18131 344489