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68064501 = 335176451
BaseRepresentation
bin1000000111010…
…01010011110101
311202002000221110
410003221103311
5114411031001
610430505233
71454352531
oct403512365
9152060843
1068064501
113546995a
121a965219
131114186b
14907abc1
155e973d6
hex40e94f5

68064501 has 8 divisors (see below), whose sum is σ = 90792544. Its totient is φ = 45356400.

The previous prime is 68064487. The next prime is 68064509. The reversal of 68064501 is 10546086.

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

It is not a de Polignac number, because 68064501 - 214 = 68048117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68064509) 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, 7326 + ... + 13776.

It is an arithmetic number, because the mean of its divisors is an integer number (11349068).

Almost surely, 268064501 is an apocalyptic number.

It is an amenable number.

68064501 is a deficient number, since it is larger than the sum of its proper divisors (22728043).

68064501 is a wasteful number, since it uses less digits than its factorization.

68064501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9971.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 68064501 is about 8250.1212718359. The cubic root of 68064501 is about 408.2945237399.

The spelling of 68064501 in words is "sixty-eight million, sixty-four thousand, five hundred one".

Divisors: 1 3 3517 6451 10551 19353 22688167 68064501