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68034065 = 511310223
BaseRepresentation
bin1000000111000…
…01111000010001
311202000111012012
410003201320101
5114404042230
610430112305
71454165021
oct403417021
9152014165
1068034065
1135449000
121a94b695
1311130a58
14906da81
155e8d395
hex40e1e11

68034065 has 16 divisors (see below), whose sum is σ = 89807616. Its totient is φ = 49474480.

The previous prime is 68034037. The next prime is 68034067. The reversal of 68034065 is 56043086.

It is not a de Polignac number, because 68034065 - 214 = 68017681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68034067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1544 + ... + 11766.

It is an arithmetic number, because the mean of its divisors is an integer number (5612976).

Almost surely, 268034065 is an apocalyptic number.

It is an amenable number.

68034065 is a deficient number, since it is larger than the sum of its proper divisors (21773551).

68034065 is a wasteful number, since it uses less digits than its factorization.

68034065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10261 (or 10239 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 68034065 is about 8248.2764866365. The cubic root of 68034065 is about 408.2336564513.

The spelling of 68034065 in words is "sixty-eight million, thirty-four thousand, sixty-five".

Divisors: 1 5 11 55 121 605 1331 6655 10223 51115 112453 562265 1236983 6184915 13606813 68034065