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488005 = 5773191
BaseRepresentation
bin1110111001001000101
3220210102021
41313021011
5111104010
614243141
74101520
oct1671105
9823367
10488005
11303711
121b64b1
1314117b
14c9bb7
15998da
hex77245

488005 has 16 divisors (see below), whose sum is σ = 681984. Its totient is φ = 328320.

The previous prime is 488003. The next prime is 488009. The reversal of 488005 is 500884.

488005 = T205 + T206 + ... + T225.

488005 = 432 + 442 + ... + 1152.

It is not a de Polignac number, because 488005 - 21 = 488003 is a prime.

It is a Duffinian number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 2460 + ... + 2650.

It is an arithmetic number, because the mean of its divisors is an integer number (42624).

2488005 is an apocalyptic number.

It is an amenable number.

488005 is a deficient number, since it is larger than the sum of its proper divisors (193979).

488005 is a wasteful number, since it uses less digits than its factorization.

488005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276.

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 488005 is about 698.5735465933. The cubic root of 488005 is about 78.7302125475.

Adding to 488005 its reverse (500884), we get a palindrome (988889).

The spelling of 488005 in words is "four hundred eighty-eight thousand, five".

Divisors: 1 5 7 35 73 191 365 511 955 1337 2555 6685 13943 69715 97601 488005