Search a number
-
+
116678693 = 653178681
BaseRepresentation
bin1101111010001…
…10000000100101
322010112220002002
412331012000211
5214332204233
615324455045
72614516055
oct675060045
9263486062
10116678693
115a95347a
12330aa485
131b233261
14116d3565
15a39b6e8
hex6f46025

116678693 has 4 divisors (see below), whose sum is σ = 116858028. Its totient is φ = 116499360.

The previous prime is 116678663. The next prime is 116678707. The reversal of 116678693 is 396876611.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 396876611 = 1723345683.

It can be written as a sum of positive squares in 2 ways, for example, as 66863329 + 49815364 = 8177^2 + 7058^2 .

It is a cyclic number.

It is not a de Polignac number, because 116678693 - 210 = 116677669 is a prime.

It is a super-2 number, since 2×1166786932 = 27227834800376498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116678603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88688 + ... + 89993.

It is an arithmetic number, because the mean of its divisors is an integer number (29214507).

Almost surely, 2116678693 is an apocalyptic number.

It is an amenable number.

116678693 is a deficient number, since it is larger than the sum of its proper divisors (179335).

116678693 is an equidigital number, since it uses as much as digits as its factorization.

116678693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179334.

The product of its digits is 326592, while the sum is 47.

The square root of 116678693 is about 10801.7911940567. The cubic root of 116678693 is about 488.6491922573.

The spelling of 116678693 in words is "one hundred sixteen million, six hundred seventy-eight thousand, six hundred ninety-three".

Divisors: 1 653 178681 116678693