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67341980 = 22517319463
BaseRepresentation
bin1000000001110…
…00111010011100
311200201022211102
410000320322130
5114214420410
610403212232
71445253206
oct400707234
9150638742
1067341980
1135016032
121a677078
1310c4aa34
148d2d776
155da32a5
hex4038e9c

67341980 has 24 divisors (see below), whose sum is σ = 142242912. Its totient is φ = 26779712.

The previous prime is 67341971. The next prime is 67341997. The reversal of 67341980 is 8914376.

67341980 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

67341980 is strictly pandigital in base 9.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6272 + ... + 13191.

It is an arithmetic number, because the mean of its divisors is an integer number (5926788).

Almost surely, 267341980 is an apocalyptic number.

It is an amenable number.

67341980 is an abundant number, since it is smaller than the sum of its proper divisors (74900932).

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

67341980 is a wasteful number, since it uses less digits than its factorization.

67341980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19645 (or 19643 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 67341980 is about 8206.2159367153. The cubic root of 67341980 is about 406.8446666202.

The spelling of 67341980 in words is "sixty-seven million, three hundred forty-one thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 173 346 692 865 1730 3460 19463 38926 77852 97315 194630 389260 3367099 6734198 13468396 16835495 33670990 67341980