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488813 = 13191979
BaseRepresentation
bin1110111010101101101
3220211112012
41313111231
5111120223
614251005
74104053
oct1672555
9824465
10488813
11304286
121b6a65
13141650
14ca1d3
1599c78
hex7756d

488813 has 8 divisors (see below), whose sum is σ = 554400. Its totient is φ = 427248.

The previous prime is 488797. The next prime is 488821. The reversal of 488813 is 318884.

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 488813 - 24 = 488797 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 488813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (488833) 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, 743 + ... + 1236.

It is an arithmetic number, because the mean of its divisors is an integer number (69300).

2488813 is an apocalyptic number.

It is an amenable number.

488813 is a deficient number, since it is larger than the sum of its proper divisors (65587).

488813 is a wasteful number, since it uses less digits than its factorization.

488813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011.

The product of its digits is 6144, while the sum is 32.

The square root of 488813 is about 699.1516287616. The cubic root of 488813 is about 78.7736403369.

It can be divided in two parts, 48881 and 3, that added together give a palindrome (48884).

The spelling of 488813 in words is "four hundred eighty-eight thousand, eight hundred thirteen".

Divisors: 1 13 19 247 1979 25727 37601 488813