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68376071 = 78538707
BaseRepresentation
bin1000001001101…
…01011000000111
311202122212100002
410010311120013
5120001013241
610441311515
71460121101
oct404653007
9152585302
1068376071
1135661a55
121aa9559b
131122061a
14911c571
15600989b
hex4135607

68376071 has 4 divisors (see below), whose sum is σ = 68392632. Its totient is φ = 68359512.

The previous prime is 68376067. The next prime is 68376083. The reversal of 68376071 is 17067386.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 68376071 - 22 = 68376067 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 (68376271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3500 + ... + 12206.

It is an arithmetic number, because the mean of its divisors is an integer number (17098158).

Almost surely, 268376071 is an apocalyptic number.

68376071 is a deficient number, since it is larger than the sum of its proper divisors (16561).

68376071 is an equidigital number, since it uses as much as digits as its factorization.

68376071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16560.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 68376071 is about 8268.9824646083. The cubic root of 68376071 is about 408.9165744284.

The spelling of 68376071 in words is "sixty-eight million, three hundred seventy-six thousand, seventy-one".

Divisors: 1 7853 8707 68376071