[go: up one dir, main page]

Search a number
-
+
68377306 = 234188653
BaseRepresentation
bin1000001001101…
…01101011011010
311202122221000211
410010311223122
5120001033211
610441321334
71460124514
oct404655332
9152587024
1068377306
1135662978
121aa9624a
131122105a
14911cbb4
156009e21
hex4135ada

68377306 has 4 divisors (see below), whose sum is σ = 102565962. Its totient is φ = 34188652.

The previous prime is 68377301. The next prime is 68377307. The reversal of 68377306 is 60377386.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60377386 = 230188693.

It can be written as a sum of positive squares in only one way, i.e., 68310225 + 67081 = 8265^2 + 259^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (68377301) 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 as a sum of consecutive naturals, namely, 17094325 + ... + 17094328.

Almost surely, 268377306 is an apocalyptic number.

68377306 is a deficient number, since it is larger than the sum of its proper divisors (34188656).

68377306 is a wasteful number, since it uses less digits than its factorization.

68377306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34188655.

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 68377306 is about 8269.0571409321. The cubic root of 68377306 is about 408.9190363468.

The spelling of 68377306 in words is "sixty-eight million, three hundred seventy-seven thousand, three hundred six".

Divisors: 1 2 34188653 68377306