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488089 = 731423
BaseRepresentation
bin1110111001010011001
3220210112101
41313022121
5111104324
614243401
74102000
oct1671231
9823471
10488089
11303788
121b6561
13141214
14c9c37
1599944
hex77299

488089 has 8 divisors (see below), whose sum is σ = 569600. Its totient is φ = 418068.

The previous prime is 488069. The next prime is 488119. The reversal of 488089 is 980884.

It is not a de Polignac number, because 488089 - 25 = 488057 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a zygodrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (488009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 369 + ... + 1054.

It is an arithmetic number, because the mean of its divisors is an integer number (71200).

2488089 is an apocalyptic number.

488089 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

488089 is a deficient number, since it is larger than the sum of its proper divisors (81511).

488089 is an equidigital number, since it uses as much as digits as its factorization.

488089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444 (or 1430 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 488089 is about 698.6336665235. The cubic root of 488089 is about 78.7347295494.

Adding to 488089 its product of nonzero digits (18432), we get a triangular number (506521 = T1006).

The spelling of 488089 in words is "four hundred eighty-eight thousand, eighty-nine".

Divisors: 1 7 49 343 1423 9961 69727 488089