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488634 = 2381439
BaseRepresentation
bin1110111010010111010
3220211021120
41313102322
5111114014
614250110
74103406
oct1672272
9824246
10488634
11304133
121b6936
13141543
14ca106
1599ba9
hex774ba

488634 has 8 divisors (see below), whose sum is σ = 977280. Its totient is φ = 162876.

The previous prime is 488633. The next prime is 488639. The reversal of 488634 is 436884.

It is a sphenic number, since it is the product of 3 distinct primes.

488634 is an admirable number.

It is an Ulam number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 488595 and 488604.

It is not an unprimeable number, because it can be changed into a prime (488633) 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, 40714 + ... + 40725.

It is an arithmetic number, because the mean of its divisors is an integer number (122160).

2488634 is an apocalyptic number.

488634 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

488634 is a wasteful number, since it uses less digits than its factorization.

488634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81444.

The product of its digits is 18432, while the sum is 33.

The square root of 488634 is about 699.0236047517. The cubic root of 488634 is about 78.7640237056.

Subtracting from 488634 its sum of digits (33), we obtain a square (488601 = 6992).

The spelling of 488634 in words is "four hundred eighty-eight thousand, six hundred thirty-four".

Divisors: 1 2 3 6 81439 162878 244317 488634