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488905 = 5277353
BaseRepresentation
bin1110111010111001001
3220211122121
41313113021
5111121110
614251241
74104244
oct1672711
9824577
10488905
1130435a
121b6b21
131416c1
14ca25b
1599cda
hex775c9

488905 has 8 divisors (see below), whose sum is σ = 590472. Its totient is φ = 388608.

The previous prime is 488897. The next prime is 488909. The reversal of 488905 is 509884.

It can be written as a sum of positive squares in 4 ways, for example, as 4489 + 484416 = 67^2 + 696^2 .

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 488905 - 23 = 488897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (488909) 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, 1209 + ... + 1561.

It is an arithmetic number, because the mean of its divisors is an integer number (73809).

2488905 is an apocalyptic number.

It is an amenable number.

488905 is a deficient number, since it is larger than the sum of its proper divisors (101567).

488905 is a wasteful number, since it uses less digits than its factorization.

488905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 488905 is about 699.2174196915. The cubic root of 488905 is about 78.7785820496.

The spelling of 488905 in words is "four hundred eighty-eight thousand, nine hundred five".

Divisors: 1 5 277 353 1385 1765 97781 488905