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67244027 = 178347657
BaseRepresentation
bin1000000001000…
…00111111111011
311200112100110112
410000200333323
5114203302102
610401134535
71444364504
oct400407773
9150470415
1067244027
1134a59484
121a62a44b
1310c15286
148d05bab
155d84252
hex4020ffb

67244027 has 8 divisors (see below), whose sum is σ = 72058896. Its totient is φ = 62524672.

The previous prime is 67244017. The next prime is 67244041. The reversal of 67244027 is 72044276.

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 67244027 - 216 = 67178491 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 67243984 and 67244002.

It is not an unprimeable number, because it can be changed into a prime (67244017) 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, 22418 + ... + 25239.

It is an arithmetic number, because the mean of its divisors is an integer number (9007362).

Almost surely, 267244027 is an apocalyptic number.

67244027 is a deficient number, since it is larger than the sum of its proper divisors (4814869).

67244027 is a wasteful number, since it uses less digits than its factorization.

67244027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47757.

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 67244027 is about 8200.2455451041. The cubic root of 67244027 is about 406.6473108080.

The spelling of 67244027 in words is "sixty-seven million, two hundred forty-four thousand, twenty-seven".

Divisors: 1 17 83 1411 47657 810169 3955531 67244027