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348405 = 3523227
BaseRepresentation
bin1010101000011110101
3122200220220
41111003311
542122110
611244553
72650521
oct1250365
9580826
10348405
11218842
12149759
13c2775
1490d81
156d370
hex550f5

348405 has 8 divisors (see below), whose sum is σ = 557472. Its totient is φ = 185808.

The previous prime is 348401. The next prime is 348407. The reversal of 348405 is 504843.

It is a happy number.

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

It is not a de Polignac number, because 348405 - 22 = 348401 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a zygodrome in base 4.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 348405.

It is not an unprimeable number, because it can be changed into a prime (348401) 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, 11599 + ... + 11628.

It is an arithmetic number, because the mean of its divisors is an integer number (69684).

2348405 is an apocalyptic number.

It is an amenable number.

348405 is a deficient number, since it is larger than the sum of its proper divisors (209067).

348405 is a wasteful number, since it uses less digits than its factorization.

348405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23235.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 348405 is about 590.2584179832. The cubic root of 348405 is about 70.3657724673.

The spelling of 348405 in words is "three hundred forty-eight thousand, four hundred five".

Divisors: 1 3 5 15 23227 69681 116135 348405