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42395 = 561139
BaseRepresentation
bin1010010110011011
32011011012
422112123
52324040
6524135
7234413
oct122633
964135
1042395
1129941
122064b
13163b2
1411643
15c865
hexa59b

42395 has 8 divisors (see below), whose sum is σ = 52080. Its totient is φ = 33120.

The previous prime is 42391. The next prime is 42397. The reversal of 42395 is 59324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42395 - 22 = 42391 is a prime.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 42395.

It is not an unprimeable number, because it can be changed into a prime (42391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236 + ... + 374.

It is an arithmetic number, because the mean of its divisors is an integer number (6510).

242395 is an apocalyptic number.

42395 is a deficient number, since it is larger than the sum of its proper divisors (9685).

42395 is a wasteful number, since it uses less digits than its factorization.

42395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205.

The product of its digits is 1080, while the sum is 23.

The square root of 42395 is about 205.9004613885. The cubic root of 42395 is about 34.8688972848.

The spelling of 42395 in words is "forty-two thousand, three hundred ninety-five".

Divisors: 1 5 61 139 305 695 8479 42395