Search a number
-
+
5676781 = 111134567
BaseRepresentation
bin10101101001111011101101
3101200102002011
4111221323231
52423124111
6321401221
766152245
oct25517355
911612064
105676781
113228060
121a99211
131239b56
14a7ab25
15772021
hex569eed

5676781 has 8 divisors (see below), whose sum is σ = 6249024. Its totient is φ = 5113920.

The previous prime is 5676767. The next prime is 5676787. The reversal of 5676781 is 1876765.

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 5676781 - 219 = 5152493 is a prime.

It is a super-2 number, since 2×56767812 = 64451685043922, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5676787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1041 + ... + 3526.

It is an arithmetic number, because the mean of its divisors is an integer number (781128).

Almost surely, 25676781 is an apocalyptic number.

It is an amenable number.

5676781 is a deficient number, since it is larger than the sum of its proper divisors (572243).

5676781 is a wasteful number, since it uses less digits than its factorization.

5676781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4691.

The product of its digits is 70560, while the sum is 40.

The square root of 5676781 is about 2382.5996306556. The cubic root of 5676781 is about 178.3887162154.

The spelling of 5676781 in words is "five million, six hundred seventy-six thousand, seven hundred eighty-one".

Divisors: 1 11 113 1243 4567 50237 516071 5676781