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79342 = 239671
BaseRepresentation
bin10011010111101110
311000211121
4103113232
510014332
61411154
7450214
oct232756
9130747
1079342
115467a
1239aba
132a163
1420cb4
1518797
hex135ee

79342 has 4 divisors (see below), whose sum is σ = 119016. Its totient is φ = 39670.

The previous prime is 79337. The next prime is 79349. The reversal of 79342 is 24397.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24397 = 31787.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79349) by changing a digit.

79342 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 as a sum of consecutive naturals, namely, 19834 + ... + 19837.

It is an arithmetic number, because the mean of its divisors is an integer number (29754).

279342 is an apocalyptic number.

79342 is a deficient number, since it is larger than the sum of its proper divisors (39674).

79342 is a wasteful number, since it uses less digits than its factorization.

79342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39673.

The product of its digits is 1512, while the sum is 25.

The square root of 79342 is about 281.6771201216. The cubic root of 79342 is about 42.9702335906.

Subtracting from 79342 its reverse (24397), we obtain a palindrome (54945).

The spelling of 79342 in words is "seventy-nine thousand, three hundred forty-two".

Divisors: 1 2 39671 79342