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67742 = 233871
BaseRepresentation
bin10000100010011110
310102220222
4100202132
54131432
61241342
7401333
oct204236
9112828
1067742
1146994
1233252
1324aac
141a98a
1515112
hex1089e

67742 has 4 divisors (see below), whose sum is σ = 101616. Its totient is φ = 33870.

The previous prime is 67741. The next prime is 67751. The reversal of 67742 is 24776.

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

It is a d-powerful number, because it can be written as 64 + 75 + 75 + 43 + 215 .

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16934 + ... + 16937.

It is an arithmetic number, because the mean of its divisors is an integer number (25404).

267742 is an apocalyptic number.

67742 is a deficient number, since it is larger than the sum of its proper divisors (33874).

67742 is a wasteful number, since it uses less digits than its factorization.

67742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33873.

The product of its digits is 2352, while the sum is 26.

The square root of 67742 is about 260.2729336677. The cubic root of 67742 is about 40.7648646637.

It can be divided in two parts, 6774 and 2, that added together give a palindrome (6776).

The spelling of 67742 in words is "sixty-seven thousand, seven hundred forty-two".

Divisors: 1 2 33871 67742