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344869 = 7192593
BaseRepresentation
bin1010100001100100101
3122112001221
41110030211
542013434
611220341
72634310
oct1241445
9575057
10344869
11216118
121476b1
13c0c85
148d977
156c2b4
hex54325

344869 has 8 divisors (see below), whose sum is σ = 415040. Its totient is φ = 279936.

The previous prime is 344863. The next prime is 344873. The reversal of 344869 is 968443.

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

It is a 7-Lehmer number, since φ(344869) divides (344869-1)7.

It is a cyclic number.

It is not a de Polignac number, because 344869 - 211 = 342821 is a prime.

It is a super-2 number, since 2×3448692 = 237869254322, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344863) 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, 1164 + ... + 1429.

It is an arithmetic number, because the mean of its divisors is an integer number (51880).

2344869 is an apocalyptic number.

It is an amenable number.

344869 is a deficient number, since it is larger than the sum of its proper divisors (70171).

344869 is a wasteful number, since it uses less digits than its factorization.

344869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2619.

The product of its digits is 20736, while the sum is 34.

The square root of 344869 is about 587.2554810302. The cubic root of 344869 is about 70.1269126208.

The spelling of 344869 in words is "three hundred forty-four thousand, eight hundred sixty-nine".

Divisors: 1 7 19 133 2593 18151 49267 344869