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67421204 = 2224116991
BaseRepresentation
bin1000000010011…
…00010000010100
311200212100111122
410001030100110
5114224434304
610405023112
71446033164
oct401142024
9150770448
1067421204
113506a604
121a6b4a98
1310c77b06
148d505a4
155dbb9be
hex404c414

67421204 has 12 divisors (see below), whose sum is σ = 118052928. Its totient is φ = 33691800.

The previous prime is 67421161. The next prime is 67421209. The reversal of 67421204 is 40212476.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67421209) 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 3 ways as a sum of consecutive naturals, for example, 6149 + ... + 13139.

It is an arithmetic number, because the mean of its divisors is an integer number (9837744).

Almost surely, 267421204 is an apocalyptic number.

It is an amenable number.

67421204 is a deficient number, since it is larger than the sum of its proper divisors (50631724).

67421204 is a wasteful number, since it uses less digits than its factorization.

67421204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9406 (or 9404 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 67421204 is about 8211.0415904439. The cubic root of 67421204 is about 407.0041472813.

The spelling of 67421204 in words is "sixty-seven million, four hundred twenty-one thousand, two hundred four".

Divisors: 1 2 4 2411 4822 6991 9644 13982 27964 16855301 33710602 67421204