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67386313 = 714911933
BaseRepresentation
bin1000000010000…
…11101111001001
311200210120122101
410001003233021
5114222330223
610404153401
71445526361
oct401035711
9150716571
1067386313
1135046375
121a698861
1310c64c77
148d419a1
155db14ad
hex4043bc9

67386313 has 8 divisors (see below), whose sum is σ = 68510016. Its totient is φ = 66267600.

The previous prime is 67386311. The next prime is 67386349. The reversal of 67386313 is 31368376.

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

It is a cyclic number.

It is not a de Polignac number, because 67386313 - 21 = 67386311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67386311) by changing a digit.

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, 33895 + ... + 35827.

It is an arithmetic number, because the mean of its divisors is an integer number (8563752).

Almost surely, 267386313 is an apocalyptic number.

It is an amenable number.

67386313 is a deficient number, since it is larger than the sum of its proper divisors (1123703).

67386313 is a wasteful number, since it uses less digits than its factorization.

67386313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2495.

The product of its digits is 54432, while the sum is 37.

The square root of 67386313 is about 8208.9166763952. The cubic root of 67386313 is about 406.9339258908.

The spelling of 67386313 in words is "sixty-seven million, three hundred eighty-six thousand, three hundred thirteen".

Divisors: 1 71 491 1933 34861 137243 949103 67386313