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67676 = 2272417
BaseRepresentation
bin10000100001011100
310102211112
4100201130
54131201
61241152
7401210
oct204134
9112745
1067676
1146934
12331b8
1324a5b
141a940
15150bb
hex1085c

67676 has 12 divisors (see below), whose sum is σ = 135408. Its totient is φ = 28992.

The previous prime is 67651. The next prime is 67679.

It can be divided in two parts, 6 and 7676, that multiplied together give a triangular number (46056 = T303).

67676 is nontrivially palindromic in base 10.

67676 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

67676 is an admirable number.

It is an alternating number because its digits alternate between even and odd.

67676 is an undulating number in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67679) by changing a digit.

67676 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1181 + ... + 1236.

It is an arithmetic number, because the mean of its divisors is an integer number (11284).

267676 is an apocalyptic number.

It is an amenable number.

67676 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67704).

67676 is a wasteful number, since it uses less digits than its factorization.

67676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2428 (or 2426 counting only the distinct ones).

The product of its digits is 10584, while the sum is 32.

The square root of 67676 is about 260.1461127905. The cubic root of 67676 is about 40.7516214995.

The spelling of 67676 in words is "sixty-seven thousand, six hundred seventy-six".

Divisors: 1 2 4 7 14 28 2417 4834 9668 16919 33838 67676