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67331065 = 5109112343
BaseRepresentation
bin1000000001101…
…10001111111001
311200200202212011
410000312033321
5114214043230
610403045521
71445206324
oct400661771
9150622764
1067331065
113500890a
121a6708a1
1310c45a89
148d297bb
155d9ee2a
hex40363f9

67331065 has 8 divisors (see below), whose sum is σ = 80877888. Its totient is φ = 53811120.

The previous prime is 67331063. The next prime is 67331087. The reversal of 67331065 is 56013376.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 67331065 - 21 = 67331063 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67331063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 717 + ... + 11626.

It is an arithmetic number, because the mean of its divisors is an integer number (10109736).

Almost surely, 267331065 is an apocalyptic number.

It is an amenable number.

67331065 is a deficient number, since it is larger than the sum of its proper divisors (13546823).

67331065 is a wasteful number, since it uses less digits than its factorization.

67331065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13439.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 67331065 is about 8205.5508651156. The cubic root of 67331065 is about 406.8226845446.

The spelling of 67331065 in words is "sixty-seven million, three hundred thirty-one thousand, sixty-five".

Divisors: 1 5 1091 5455 12343 61715 13466213 67331065