Search a number
-
+
4813681 = 291271307
BaseRepresentation
bin10010010111001101110001
3100001120010111
4102113031301
52213014211
6251101321
755626025
oct22271561
910046114
104813681
112798654
121741841
13cc7042
148d4385
15651421
hex497371

4813681 has 8 divisors (see below), whose sum is σ = 5022720. Its totient is φ = 4607568.

The previous prime is 4813673. The next prime is 4813691. The reversal of 4813681 is 1863184.

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 4813681 - 23 = 4813673 is a prime.

It is a super-2 number, since 2×48136812 = 46343049539522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4813621) 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, 3030 + ... + 4336.

It is an arithmetic number, because the mean of its divisors is an integer number (627840).

Almost surely, 24813681 is an apocalyptic number.

It is an amenable number.

4813681 is a deficient number, since it is larger than the sum of its proper divisors (209039).

4813681 is a wasteful number, since it uses less digits than its factorization.

4813681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1463.

The product of its digits is 4608, while the sum is 31.

The square root of 4813681 is about 2194.0102552176. The cubic root of 4813681 is about 168.8466449599.

The spelling of 4813681 in words is "four million, eight hundred thirteen thousand, six hundred eighty-one".

Divisors: 1 29 127 1307 3683 37903 165989 4813681