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342712 = 2342839
BaseRepresentation
bin1010011101010111000
3122102010001
41103222320
541431322
611202344
72625106
oct1235270
9572101
10342712
11214537
121463b4
13bccb6
148cc76
156b827
hex53ab8

342712 has 8 divisors (see below), whose sum is σ = 642600. Its totient is φ = 171352.

The previous prime is 342697. The next prime is 342733. The reversal of 342712 is 217243.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 342712.

It is a congruent number.

It is an unprimeable number.

342712 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 as a sum of consecutive naturals, namely, 21412 + ... + 21427.

It is an arithmetic number, because the mean of its divisors is an integer number (80325).

2342712 is an apocalyptic number.

It is an amenable number.

342712 is a deficient number, since it is larger than the sum of its proper divisors (299888).

342712 is a wasteful number, since it uses less digits than its factorization.

342712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42845 (or 42841 counting only the distinct ones).

The product of its digits is 336, while the sum is 19.

The square root of 342712 is about 585.4160913402. The cubic root of 342712 is about 69.9804026773.

Adding to 342712 its reverse (217243), we get a palindrome (559955).

The spelling of 342712 in words is "three hundred forty-two thousand, seven hundred twelve", and thus it is an iban number.

Divisors: 1 2 4 8 42839 85678 171356 342712