[go: up one dir, main page]

Search a number
-
+
68784627 = 3173132533
BaseRepresentation
bin1000001100110…
…01000111110011
311210102121202210
410012121013303
5120102102002
610454143203
71463442162
oct406310763
9153377683
1068784627
11359109aa
121b051b03
1311334582
1491c73d9
15608a96c
hex41991f3

68784627 has 8 divisors (see below), whose sum is σ = 92243664. Its totient is φ = 45591008.

The previous prime is 68784623. The next prime is 68784647. The reversal of 68784627 is 72648786.

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

It is a cyclic number.

It is not a de Polignac number, because 68784627 - 22 = 68784623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68784623) 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, 65748 + ... + 66785.

It is an arithmetic number, because the mean of its divisors is an integer number (11530458).

Almost surely, 268784627 is an apocalyptic number.

68784627 is a deficient number, since it is larger than the sum of its proper divisors (23459037).

68784627 is a wasteful number, since it uses less digits than its factorization.

68784627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132709.

The product of its digits is 903168, while the sum is 48.

The square root of 68784627 is about 8293.6497996962. The cubic root of 68784627 is about 409.7294010600.

The spelling of 68784627 in words is "sixty-eight million, seven hundred eighty-four thousand, six hundred twenty-seven".

Divisors: 1 3 173 519 132533 397599 22928209 68784627