Search a number
-
+
10716487 = 22694723
BaseRepresentation
bin101000111000…
…010101000111
3202011110020221
4220320111013
510220411422
61021405211
7160042255
oct50702507
922143227
1010716487
11605a501
123709807
1322b2a22
1415cd5d5
15e1a3c7
hexa38547

10716487 has 4 divisors (see below), whose sum is σ = 10723480. Its totient is φ = 10709496.

The previous prime is 10716481. The next prime is 10716491. The reversal of 10716487 is 78461701.

10716487 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 78461701 = 541914479.

It is a cyclic number.

It is not a de Polignac number, because 10716487 - 219 = 10192199 is a prime.

It is a super-2 number, since 2×107164872 = 229686187242338, 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 (10716481) 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, 93 + ... + 4630.

It is an arithmetic number, because the mean of its divisors is an integer number (2680870).

Almost surely, 210716487 is an apocalyptic number.

10716487 is a deficient number, since it is larger than the sum of its proper divisors (6993).

10716487 is an equidigital number, since it uses as much as digits as its factorization.

10716487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6992.

The product of its (nonzero) digits is 9408, while the sum is 34.

The square root of 10716487 is about 3273.6045882177. The cubic root of 10716487 is about 220.4706658975.

The spelling of 10716487 in words is "ten million, seven hundred sixteen thousand, four hundred eighty-seven".

Divisors: 1 2269 4723 10716487