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67318044 = 2235609837
BaseRepresentation
bin1000000001100…
…11000100011100
311200200002222220
410000303010130
5114213134134
610402505340
71445123343
oct400630434
9150602886
1067318044
1134aaa052
121a665250
1310c3cb81
148d24b5a
155d9b149
hex403311c

67318044 has 12 divisors (see below), whose sum is σ = 157075464. Its totient is φ = 22439344.

The previous prime is 67318037. The next prime is 67318061. The reversal of 67318044 is 44081376.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 67317996 and 67318014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2804907 + ... + 2804930.

It is an arithmetic number, because the mean of its divisors is an integer number (13089622).

Almost surely, 267318044 is an apocalyptic number.

It is an amenable number.

67318044 is an abundant number, since it is smaller than the sum of its proper divisors (89757420).

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

67318044 is a wasteful number, since it uses less digits than its factorization.

67318044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5609844 (or 5609842 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 67318044 is about 8204.7574004354. The cubic root of 67318044 is about 406.7964580191.

The spelling of 67318044 in words is "sixty-seven million, three hundred eighteen thousand, forty-four".

Divisors: 1 2 3 4 6 12 5609837 11219674 16829511 22439348 33659022 67318044