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348642 = 23272767
BaseRepresentation
bin1010101000111100010
3122201020200
41111013202
542124032
611250030
72651310
oct1250742
9581220
10348642
11218a38
12149916
13c28c8
14910b0
156d47c
hex551e2

348642 has 24 divisors (see below), whose sum is σ = 863616. Its totient is φ = 99576.

The previous prime is 348637. The next prime is 348643. The reversal of 348642 is 246843.

It is not an unprimeable number, because it can be changed into a prime (348643) by changing a digit.

348642 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1258 + ... + 1509.

It is an arithmetic number, because the mean of its divisors is an integer number (35984).

2348642 is an apocalyptic number.

348642 is an abundant number, since it is smaller than the sum of its proper divisors (514974).

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

348642 is a wasteful number, since it uses less digits than its factorization.

348642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2782 (or 2779 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 348642 is about 590.4591433791. The cubic root of 348642 is about 70.3817241213.

It can be divided in two parts, 348 and 642, that added together give a triangular number (990 = T44).

The spelling of 348642 in words is "three hundred forty-eight thousand, six hundred forty-two".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 2767 5534 8301 16602 19369 24903 38738 49806 58107 116214 174321 348642