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489494 = 2244747
BaseRepresentation
bin1110111100000010110
3220212110102
41313200112
5111130434
614254102
74106045
oct1674026
9825412
10489494
11304845
121b7332
13141a55
14ca55c
159a07e
hex77816

489494 has 4 divisors (see below), whose sum is σ = 734244. Its totient is φ = 244746.

The previous prime is 489493. The next prime is 489529. The reversal of 489494 is 494984.

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

It is a super-3 number, since 3×4894943 = 351854713330097352, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122372 + ... + 122375.

It is an arithmetic number, because the mean of its divisors is an integer number (183561).

2489494 is an apocalyptic number.

489494 is a deficient number, since it is larger than the sum of its proper divisors (244750).

489494 is a wasteful number, since it uses less digits than its factorization.

489494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244749.

The product of its digits is 41472, while the sum is 38.

The square root of 489494 is about 699.6384780728. The cubic root of 489494 is about 78.8102050737.

It can be divided in two parts, 4 and 89494, that added together give a palindrome (89498).

The spelling of 489494 in words is "four hundred eighty-nine thousand, four hundred ninety-four".

Divisors: 1 2 244747 489494