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488320 = 2757109
BaseRepresentation
bin1110111001110000000
3220210211221
41313032000
5111111240
614244424
74102450
oct1671600
9823757
10488320
11303978
121b6714
13141361
14c9d60
1599a4a
hex77380

488320 has 64 divisors (see below), whose sum is σ = 1346400. Its totient is φ = 165888.

The previous prime is 488317. The next prime is 488321. The reversal of 488320 is 23884.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (488321) 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, 4426 + ... + 4534.

2488320 is an apocalyptic number.

488320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 488320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (673200).

488320 is an abundant number, since it is smaller than the sum of its proper divisors (858080).

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

488320 is a wasteful number, since it uses less digits than its factorization.

488320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 488320 is about 698.7989696615. The cubic root of 488320 is about 78.7471486328.

It can be divided in two parts, 488 and 320, that added together give a palindrome (808).

The spelling of 488320 in words is "four hundred eighty-eight thousand, three hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 109 112 128 140 160 218 224 280 320 436 448 545 560 640 763 872 896 1090 1120 1526 1744 2180 2240 3052 3488 3815 4360 4480 6104 6976 7630 8720 12208 13952 15260 17440 24416 30520 34880 48832 61040 69760 97664 122080 244160 488320