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66794 = 2713367
BaseRepresentation
bin10000010011101010
310101121212
4100103222
54114134
61233122
7365510
oct202352
9111555
1066794
1146202
12327a2
1324530
141a4b0
1514bce
hex104ea

66794 has 16 divisors (see below), whose sum is σ = 123648. Its totient is φ = 26352.

The previous prime is 66791. The next prime is 66797. The reversal of 66794 is 49766.

It is an interprime number because it is at equal distance from previous prime (66791) and next prime (66797).

It is a super-2 number, since 2×667942 = 8922876872, which contains 22 as substring.

It is a plaindrome in base 9 and base 15.

It is a zygodrome in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 66794.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66791) 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 in 7 ways as a sum of consecutive naturals, for example, 2 + ... + 365.

It is an arithmetic number, because the mean of its divisors is an integer number (7728).

266794 is an apocalyptic number.

66794 is a deficient number, since it is larger than the sum of its proper divisors (56854).

66794 is a wasteful number, since it uses less digits than its factorization.

66794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389.

The product of its digits is 9072, while the sum is 32.

The square root of 66794 is about 258.4453520573. The cubic root of 66794 is about 40.5738124538.

The spelling of 66794 in words is "sixty-six thousand, seven hundred ninety-four".

Divisors: 1 2 7 13 14 26 91 182 367 734 2569 4771 5138 9542 33397 66794