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4986813 = 313127867
BaseRepresentation
bin10011000001011110111101
3100101100121210
4103001132331
52234034223
6254515033
760246546
oct23013675
910340553
104986813
1128a6737
121805a79
131057aa0
1493b4cd
15687893
hex4c17bd

4986813 has 8 divisors (see below), whose sum is σ = 7160608. Its totient is φ = 3068784.

The previous prime is 4986809. The next prime is 4986847. The reversal of 4986813 is 3186894.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4986813 - 22 = 4986809 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 127867 = 4986813 / (4 + 9 + 8 + 6 + 8 + 1 + 3).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4986853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63895 + ... + 63972.

It is an arithmetic number, because the mean of its divisors is an integer number (895076).

Almost surely, 24986813 is an apocalyptic number.

It is an amenable number.

4986813 is a deficient number, since it is larger than the sum of its proper divisors (2173795).

4986813 is a wasteful number, since it uses less digits than its factorization.

4986813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127883.

The product of its digits is 41472, while the sum is 39.

The square root of 4986813 is about 2233.1173278626. The cubic root of 4986813 is about 170.8471326285.

The spelling of 4986813 in words is "four million, nine hundred eighty-six thousand, eight hundred thirteen".

Divisors: 1 3 13 39 127867 383601 1662271 4986813