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42695 = 58539
BaseRepresentation
bin1010011011000111
32011120022
422123013
52331240
6525355
7235322
oct123307
964508
1042695
112a094
122085b
1316583
14117b9
15c9b5
hexa6c7

42695 has 4 divisors (see below), whose sum is σ = 51240. Its totient is φ = 34152.

The previous prime is 42689. The next prime is 42697. The reversal of 42695 is 59624.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42695 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42697) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4265 + ... + 4274.

It is an arithmetic number, because the mean of its divisors is an integer number (12810).

242695 is an apocalyptic number.

42695 is a deficient number, since it is larger than the sum of its proper divisors (8545).

42695 is an equidigital number, since it uses as much as digits as its factorization.

42695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8544.

The product of its digits is 2160, while the sum is 26.

The square root of 42695 is about 206.6276844956. The cubic root of 42695 is about 34.9509517050.

It can be divided in two parts, 426 and 95, that multiplied together give a triangular number (40470 = T284).

The spelling of 42695 in words is "forty-two thousand, six hundred ninety-five".

Divisors: 1 5 8539 42695