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489768 = 23320407
BaseRepresentation
bin1110111100100101000
3220212211120
41313210220
5111133033
614255240
74106616
oct1674450
9825746
10489768
11304a74
121b7520
13141c06
14ca6b6
159a1b3
hex77928

489768 has 16 divisors (see below), whose sum is σ = 1224480. Its totient is φ = 163248.

The previous prime is 489761. The next prime is 489791. The reversal of 489768 is 867984.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (489761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10180 + ... + 10227.

It is an arithmetic number, because the mean of its divisors is an integer number (76530).

2489768 is an apocalyptic number.

It is an amenable number.

489768 is an abundant number, since it is smaller than the sum of its proper divisors (734712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

489768 is a wasteful number, since it uses less digits than its factorization.

489768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20416 (or 20412 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The square root of 489768 is about 699.8342660945. The cubic root of 489768 is about 78.8249073093.

It can be divided in two parts, 48976 and 8, that added together give a palindrome (48984).

The spelling of 489768 in words is "four hundred eighty-nine thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 24 20407 40814 61221 81628 122442 163256 244884 489768