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68288006 = 245177559
BaseRepresentation
bin1000001000111…
…11111000000110
311202111101112102
410010133320012
5114440204011
610435352102
71456303253
oct404377006
9152441472
1068288006
1135601876
121aa52632
13111bc507
1490d842a
155edd73b
hex411fe06

68288006 has 8 divisors (see below), whose sum is σ = 102468240. Its totient is φ = 34131928.

The previous prime is 68287993. The next prime is 68288021. The reversal of 68288006 is 60088286.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5255 + ... + 12813.

It is an arithmetic number, because the mean of its divisors is an integer number (12808530).

Almost surely, 268288006 is an apocalyptic number.

68288006 is a deficient number, since it is larger than the sum of its proper divisors (34180234).

68288006 is a wasteful number, since it uses less digits than its factorization.

68288006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12078.

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 68288006 is about 8263.6557285502. The cubic root of 68288006 is about 408.7409442267.

It can be divided in two parts, 682 and 88006, that added together give a palindrome (88688).

The spelling of 68288006 in words is "sixty-eight million, two hundred eighty-eight thousand, six".

Divisors: 1 2 4517 7559 9034 15118 34144003 68288006