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488857 = 4331129
BaseRepresentation
bin1110111010110011001
3220211120211
41313112121
5111120412
614251121
74104145
oct1672631
9824524
10488857
11304316
121b6aa1
13141685
14ca225
1599ca7
hex77599

488857 has 4 divisors (see below), whose sum is σ = 490420. Its totient is φ = 487296.

The previous prime is 488833. The next prime is 488861. The reversal of 488857 is 758884.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 47961 + 440896 = 219^2 + 664^2 .

It is a cyclic number.

It is not a de Polignac number, because 488857 - 27 = 488729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (488827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132 + ... + 997.

It is an arithmetic number, because the mean of its divisors is an integer number (122605).

2488857 is an apocalyptic number.

It is an amenable number.

488857 is a deficient number, since it is larger than the sum of its proper divisors (1563).

488857 is a wasteful number, since it uses less digits than its factorization.

488857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1562.

The product of its digits is 71680, while the sum is 40.

The square root of 488857 is about 699.1830947613. The cubic root of 488857 is about 78.7760038421.

The spelling of 488857 in words is "four hundred eighty-eight thousand, eight hundred fifty-seven".

Divisors: 1 433 1129 488857