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348942 = 231117311
BaseRepresentation
bin1010101001100001110
3122201122210
41111030032
542131232
611251250
72652216
oct1251416
9581583
10348942
11219190
12149b26
13c2a99
1491246
156d5cc
hex5530e

348942 has 32 divisors (see below), whose sum is σ = 808704. Its totient is φ = 99200.

The previous prime is 348937. The next prime is 348949. The reversal of 348942 is 249843.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348949) 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, 967 + ... + 1277.

It is an arithmetic number, because the mean of its divisors is an integer number (25272).

2348942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 348942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (404352).

348942 is an abundant number, since it is smaller than the sum of its proper divisors (459762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

348942 is a wasteful number, since it uses less digits than its factorization.

348942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344.

The product of its digits is 6912, while the sum is 30.

The square root of 348942 is about 590.7131283457. The cubic root of 348942 is about 70.4019057249.

Subtracting from 348942 its reverse (249843), we obtain a palindrome (99099).

The spelling of 348942 in words is "three hundred forty-eight thousand, nine hundred forty-two".

Divisors: 1 2 3 6 11 17 22 33 34 51 66 102 187 311 374 561 622 933 1122 1866 3421 5287 6842 10263 10574 15861 20526 31722 58157 116314 174471 348942