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68097001 = 79728143
BaseRepresentation
bin1000000111100…
…01001111101001
311202010200112011
410003301033221
5114413101001
610431315521
71454546350
oct403611751
9152120464
1068097001
1135491315
121a97bba1
13111535ab
149088997
155ea1d51
hex40f13e9

68097001 has 4 divisors (see below), whose sum is σ = 77825152. Its totient is φ = 58368852.

The previous prime is 68096953. The next prime is 68097011. The reversal of 68097001 is 10079086.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68097001 - 29 = 68096489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68097011) 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 3 ways as a sum of consecutive naturals, for example, 4864065 + ... + 4864078.

It is an arithmetic number, because the mean of its divisors is an integer number (19456288).

Almost surely, 268097001 is an apocalyptic number.

It is an amenable number.

68097001 is a deficient number, since it is larger than the sum of its proper divisors (9728151).

68097001 is an equidigital number, since it uses as much as digits as its factorization.

68097001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9728150.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 68097001 is about 8252.0907047851. The cubic root of 68097001 is about 408.3594986797.

The spelling of 68097001 in words is "sixty-eight million, ninety-seven thousand, one".

Divisors: 1 7 9728143 68097001