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344641 = 11171997
BaseRepresentation
bin1010100001001000001
3122111202111
41110021001
542012031
611215321
72633533
oct1241101
9574674
10344641
11215a30
12147541
13c0b3b
148d853
156c1b1
hex54241

344641 has 16 divisors (see below), whose sum is σ = 423360. Its totient is φ = 276480.

The previous prime is 344639. The next prime is 344653. The reversal of 344641 is 146443.

It is a happy number.

It is a 3-Lehmer number, since φ(344641) divides (344641-1)3.

It is a cyclic number.

It is not a de Polignac number, because 344641 - 21 = 344639 is a prime.

It is a Duffinian number.

Its product of digits (1152) is a multiple of the sum of its prime divisors (144).

It is not an unprimeable number, because it can be changed into a prime (344611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3505 + ... + 3601.

It is an arithmetic number, because the mean of its divisors is an integer number (26460).

2344641 is an apocalyptic number.

It is an amenable number.

344641 is a deficient number, since it is larger than the sum of its proper divisors (78719).

344641 is a wasteful number, since it uses less digits than its factorization.

344641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144.

The product of its digits is 1152, while the sum is 22.

The square root of 344641 is about 587.0613255870. The cubic root of 344641 is about 70.1114550983. Note that the first 3 decimals are identical.

It can be divided in two parts, 3 and 44641, that added together give a palindrome (44644).

The spelling of 344641 in words is "three hundred forty-four thousand, six hundred forty-one".

Divisors: 1 11 17 19 97 187 209 323 1067 1649 1843 3553 18139 20273 31331 344641