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68088316 = 22139151811
BaseRepresentation
bin1000000111011…
…11000111111100
311202010020121111
410003233013330
5114412311231
610431211404
71454512132
oct403570774
9152106544
1068088316
113548583a
121a976b64
131114c65a
149085752
155e9e4b1
hex40ef1fc

68088316 has 24 divisors (see below), whose sum is σ = 120955520. Its totient is φ = 33534000.

The previous prime is 68088311. The next prime is 68088337. The reversal of 68088316 is 61388086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68088311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83551 + ... + 84361.

Almost surely, 268088316 is an apocalyptic number.

It is an amenable number.

68088316 is a deficient number, since it is larger than the sum of its proper divisors (52867204).

68088316 is a wasteful number, since it uses less digits than its factorization.

68088316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105 (or 1103 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 68088316 is about 8251.5644577256. The cubic root of 68088316 is about 408.3421374010.

The spelling of 68088316 in words is "sixty-eight million, eighty-eight thousand, three hundred sixteen".

Divisors: 1 2 4 139 151 278 302 556 604 811 1622 3244 20989 41978 83956 112729 122461 225458 244922 450916 489844 17022079 34044158 68088316