Search a number
-
+
488000 = 265361
BaseRepresentation
bin1110111001001000000
3220210102002
41313021000
5111104000
614243132
74101512
oct1671100
9823362
10488000
11303707
121b64a8
13141176
14c9bb2
15998d5
hex77240

488000 has 56 divisors (see below), whose sum is σ = 1228344. Its totient is φ = 192000.

The previous prime is 487997. The next prime is 488003. The reversal of 488000 is 884.

It is an interprime number because it is at equal distance from previous prime (487997) and next prime (488003).

It can be written as a sum of positive squares in 4 ways, for example, as 118336 + 369664 = 344^2 + 608^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 488000.

It is not an unprimeable number, because it can be changed into a prime (488003) 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, 7970 + ... + 8030.

2488000 is an apocalyptic number.

488000 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 488000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (614172).

488000 is an abundant number, since it is smaller than the sum of its proper divisors (740344).

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

488000 is an equidigital number, since it uses as much as digits as its factorization.

488000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88 (or 68 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 488000 is about 698.5699678629. The cubic root of 488000 is about 78.7299436620.

Adding to 488000 its reverse (884), we get a palindrome (488884).

The spelling of 488000 in words is "four hundred eighty-eight thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 61 64 80 100 122 125 160 200 244 250 305 320 400 488 500 610 800 976 1000 1220 1525 1600 1952 2000 2440 3050 3904 4000 4880 6100 7625 8000 9760 12200 15250 19520 24400 30500 48800 61000 97600 122000 244000 488000