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342748 = 22712241
BaseRepresentation
bin1010011101011011100
3122102011101
41103223130
541431443
611202444
72625160
oct1235334
9572141
10342748
1121456a
12146424
13c0013
148cca0
156b84d
hex53adc

342748 has 12 divisors (see below), whose sum is σ = 685552. Its totient is φ = 146880.

The previous prime is 342733. The next prime is 342757. The reversal of 342748 is 847243.

342748 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 12241 = 342748 / (3 + 4 + 2 + 7 + 4 + 8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6093 + ... + 6148.

2342748 is an apocalyptic number.

It is an amenable number.

342748 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

342748 is a wasteful number, since it uses less digits than its factorization.

342748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12252 (or 12250 counting only the distinct ones).

The product of its digits is 5376, while the sum is 28.

The square root of 342748 is about 585.4468378939. The cubic root of 342748 is about 69.9828529429.

The spelling of 342748 in words is "three hundred forty-two thousand, seven hundred forty-eight".

Divisors: 1 2 4 7 14 28 12241 24482 48964 85687 171374 342748