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488312 = 231131179
BaseRepresentation
bin1110111001101111000
3220210211122
41313031320
5111111222
614244412
74102436
oct1671570
9823748
10488312
11303970
121b6708
13141356
14c9d56
1599a42
hex77378

488312 has 32 divisors (see below), whose sum is σ = 1036800. Its totient is φ = 213600.

The previous prime is 488311. The next prime is 488317. The reversal of 488312 is 213884.

It is a plaindrome in base 5.

It is a zygodrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (488311) 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, 2639 + ... + 2817.

It is an arithmetic number, because the mean of its divisors is an integer number (32400).

2488312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 488312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (518400).

488312 is an abundant number, since it is smaller than the sum of its proper divisors (548488).

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

488312 is a wasteful number, since it uses less digits than its factorization.

488312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 223 counting only the distinct ones).

The product of its digits is 1536, while the sum is 26.

The square root of 488312 is about 698.7932455312. The cubic root of 488312 is about 78.7467186001.

The spelling of 488312 in words is "four hundred eighty-eight thousand, three hundred twelve".

Divisors: 1 2 4 8 11 22 31 44 62 88 124 179 248 341 358 682 716 1364 1432 1969 2728 3938 5549 7876 11098 15752 22196 44392 61039 122078 244156 488312