Search a number
-
+
716081 = 1136337
BaseRepresentation
bin10101110110100110001
31100101021112
42232310301
5140403311
623203105
76041462
oct2566461
91311245
10716081
1144a003
122a6495
131c0c22
14148d69
15e228b
hexaed31

716081 has 4 divisors (see below), whose sum is σ = 722532. Its totient is φ = 709632.

The previous prime is 716063. The next prime is 716087. The reversal of 716081 is 180617.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 99856 + 616225 = 316^2 + 785^2 .

It is a cyclic number.

It is not a de Polignac number, because 716081 - 214 = 699697 is a prime.

It is a super-2 number, since 2×7160812 = 1025543997122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 716081.

It is not an unprimeable number, because it can be changed into a prime (716087) 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, 3056 + ... + 3281.

It is an arithmetic number, because the mean of its divisors is an integer number (180633).

2716081 is an apocalyptic number.

It is an amenable number.

716081 is a deficient number, since it is larger than the sum of its proper divisors (6451).

716081 is a wasteful number, since it uses less digits than its factorization.

716081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6450.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 716081 is about 846.2156935439. The cubic root of 716081 is about 89.4651820914.

Adding to 716081 its reverse (180617), we get a palindrome (896698).

The spelling of 716081 in words is "seven hundred sixteen thousand, eighty-one".

Divisors: 1 113 6337 716081