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488281 = 1931829
BaseRepresentation
bin1110111001101011001
3220210210111
41313031121
5111111111
614244321
74102363
oct1671531
9823714
10488281
11303942
121b66a1
13141331
14c9d33
1599a21
hex77359

488281 has 8 divisors (see below), whose sum is σ = 531200. Its totient is φ = 447120.

The previous prime is 488263. The next prime is 488287. The reversal of 488281 is 182884.

488281 is nontrivially palindromic in base 5.

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 488281 - 25 = 488249 is a prime.

It is a super-2 number, since 2×4882812 = 476836669922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

488281 is a nontrivial repdigit in base 5.

It is a plaindrome in base 5.

It is a nialpdrome in base 5.

It is a zygodrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (488287) by changing a digit.

It is a nontrivial repunit in base 5.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175 + ... + 1003.

It is an arithmetic number, because the mean of its divisors is an integer number (66400).

2488281 is an apocalyptic number.

488281 is the 313-rd centered decagonal number.

It is an amenable number.

488281 is a deficient number, since it is larger than the sum of its proper divisors (42919).

488281 is a wasteful number, since it uses less digits than its factorization.

488281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879.

The product of its digits is 4096, while the sum is 31.

The square root of 488281 is about 698.7710640832. The cubic root of 488281 is about 78.7450521793.

488281 divided by its sum of digits (31) gives a palindrome (15751).

The spelling of 488281 in words is "four hundred eighty-eight thousand, two hundred eighty-one".

Divisors: 1 19 31 589 829 15751 25699 488281