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67016642 = 2711472197
BaseRepresentation
bin1111111110100…
…1011111000010
311200002210112212
43333221133002
5114124013032
610352222122
71442426540
oct377513702
9150083485
1067016642
1134913660
121a53a942
1310b65924
148c86d90
155d3bbb2
hex3fe97c2

67016642 has 48 divisors (see below), whose sum is σ = 128703168. Its totient is φ = 25425120.

The previous prime is 67016627. The next prime is 67016647. The reversal of 67016642 is 24661076.

It is a junction number, because it is equal to n+sod(n) for n = 67016599 and 67016608.

It is not an unprimeable number, because it can be changed into a prime (67016647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 340088 + ... + 340284.

It is an arithmetic number, because the mean of its divisors is an integer number (2681316).

Almost surely, 267016642 is an apocalyptic number.

67016642 is a deficient number, since it is larger than the sum of its proper divisors (61686526).

67016642 is a wasteful number, since it uses less digits than its factorization.

67016642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311 (or 264 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 67016642 is about 8186.3692807007. The cubic root of 67016642 is about 406.1884352624.

The spelling of 67016642 in words is "sixty-seven million, sixteen thousand, six hundred forty-two".

Divisors: 1 2 7 11 14 22 47 77 94 154 197 329 394 517 658 1034 1379 2167 2209 2758 3619 4334 4418 7238 9259 15169 15463 18518 24299 30338 30926 48598 64813 101849 129626 170093 203698 340186 435173 712943 870346 1425886 3046211 4786903 6092422 9573806 33508321 67016642