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67230663 = 3191117331
BaseRepresentation
bin1000000000111…
…01101111000111
311200111200010120
410000131233013
5114202340123
610400553023
71444310523
oct400355707
9150450116
1067230663
1134a4a435
121a622773
1310c0c176
148d00d83
155d802e3
hex401dbc7

67230663 has 8 divisors (see below), whose sum is σ = 90110976. Its totient is φ = 44585400.

The previous prime is 67230649. The next prime is 67230673. The reversal of 67230663 is 36603276.

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

It is not a de Polignac number, because 67230663 - 28 = 67230407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67230673) 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, 58093 + ... + 59238.

It is an arithmetic number, because the mean of its divisors is an integer number (11263872).

Almost surely, 267230663 is an apocalyptic number.

67230663 is a deficient number, since it is larger than the sum of its proper divisors (22880313).

67230663 is a wasteful number, since it uses less digits than its factorization.

67230663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117525.

The product of its (nonzero) digits is 27216, while the sum is 33.

The square root of 67230663 is about 8199.4306509660. The cubic root of 67230663 is about 406.6203701514.

The spelling of 67230663 in words is "sixty-seven million, two hundred thirty thousand, six hundred sixty-three".

Divisors: 1 3 191 573 117331 351993 22410221 67230663