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68034001 = 721388449
BaseRepresentation
bin1000000111000…
…01110111010001
311202000111002211
410003201313101
5114404042001
610430112121
71454164600
oct403416721
9152014084
1068034001
1135448a52
121a94b641
1311130a09
14906da37
155e8d351
hex40e1dd1

68034001 has 6 divisors (see below), whose sum is σ = 79141650. Its totient is φ = 58314816.

The previous prime is 68033989. The next prime is 68034007. The reversal of 68034001 is 10043086.

It can be written as a sum of positive squares in only one way, i.e., 65934400 + 2099601 = 8120^2 + 1449^2 .

It is not a de Polignac number, because 68034001 - 25 = 68033969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68034007) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 694176 + ... + 694273.

It is an arithmetic number, because the mean of its divisors is an integer number (13190275).

Almost surely, 268034001 is an apocalyptic number.

It is an amenable number.

68034001 is a deficient number, since it is larger than the sum of its proper divisors (11107649).

68034001 is a wasteful number, since it uses less digits than its factorization.

68034001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388463 (or 1388456 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 68034001 is about 8248.2726070372. The cubic root of 68034001 is about 408.2335284421.

Adding to 68034001 its reverse (10043086), we get a palindrome (78077087).

The spelling of 68034001 in words is "sixty-eight million, thirty-four thousand, one".

Divisors: 1 7 49 1388449 9719143 68034001