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67964 = 22131307
BaseRepresentation
bin10000100101111100
310110020012
4100211330
54133324
61242352
7402101
oct204574
9113205
1067964
1147076
12333b8
1324c20
141aaa8
151520e
hex1097c

67964 has 12 divisors (see below), whose sum is σ = 128184. Its totient is φ = 31344.

The previous prime is 67961. The next prime is 67967. The reversal of 67964 is 46976.

It is an interprime number because it is at equal distance from previous prime (67961) and next prime (67967).

It is a self number, because there is not a number n which added to its sum of digits gives 67964.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67961) 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, 602 + ... + 705.

It is an arithmetic number, because the mean of its divisors is an integer number (10682).

267964 is an apocalyptic number.

It is an amenable number.

67964 is a deficient number, since it is larger than the sum of its proper divisors (60220).

67964 is a wasteful number, since it uses less digits than its factorization.

67964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324 (or 1322 counting only the distinct ones).

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

The square root of 67964 is about 260.6990602208. The cubic root of 67964 is about 40.8093468269.

The spelling of 67964 in words is "sixty-seven thousand, nine hundred sixty-four".

Divisors: 1 2 4 13 26 52 1307 2614 5228 16991 33982 67964