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67243327 = 894311753
BaseRepresentation
bin1000000001000…
…00110100111111
311200112022111121
410000200310333
5114203241302
610401131411
71444362454
oct400406477
9150468447
1067243327
1134a589a8
121a629b67
1310c14b68
148d0582b
155d83e37
hex4020d3f

67243327 has 8 divisors (see below), whose sum is σ = 68195520. Its totient is φ = 66295680.

The previous prime is 67243301. The next prime is 67243339. The reversal of 67243327 is 72334276.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-67243327 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 67243292 and 67243301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67243027) 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, 37483 + ... + 39235.

It is an arithmetic number, because the mean of its divisors is an integer number (8524440).

Almost surely, 267243327 is an apocalyptic number.

67243327 is a deficient number, since it is larger than the sum of its proper divisors (952193).

67243327 is a wasteful number, since it uses less digits than its factorization.

With its successor (67243328) it forms an eRAP, since the sums of their prime factors are consecutive (2273 and 2274).

67243327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2273.

The product of its digits is 42336, while the sum is 34.

The square root of 67243327 is about 8200.2028633443. The cubic root of 67243327 is about 406.6458997577.

The spelling of 67243327 in words is "sixty-seven million, two hundred forty-three thousand, three hundred twenty-seven".

Divisors: 1 89 431 1753 38359 156017 755543 67243327