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42895 = 523373
BaseRepresentation
bin1010011110001111
32011211201
422132033
52333040
6530331
7236026
oct123617
964751
1042895
112a256
12209a7
13166a8
14118bd
15ca9a
hexa78f

42895 has 8 divisors (see below), whose sum is σ = 53856. Its totient is φ = 32736.

The previous prime is 42863. The next prime is 42899. The reversal of 42895 is 59824.

42895 = 52 + 62 + ... + 502.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 42895 - 25 = 42863 is a prime.

It is a Duffinian number.

42895 is a lucky number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42899) 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, 72 + ... + 301.

It is an arithmetic number, because the mean of its divisors is an integer number (6732).

242895 is an apocalyptic number.

42895 is a deficient number, since it is larger than the sum of its proper divisors (10961).

42895 is a wasteful number, since it uses less digits than its factorization.

42895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401.

The product of its digits is 2880, while the sum is 28.

The square root of 42895 is about 207.1110813066. Note that the first 3 decimals coincide. The cubic root of 42895 is about 35.0054413309.

The spelling of 42895 in words is "forty-two thousand, eight hundred ninety-five".

Divisors: 1 5 23 115 373 1865 8579 42895