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489768724 = 228313910613
BaseRepresentation
bin11101001100010…
…100011100010100
31021010120211101101
4131030110130110
52000340044344
6120333235444
715064652104
oct3514243424
91233524341
10489768724
11231509545
12118032b84
137a6121a3
1449091204
152cee69d4
hex1d314714

489768724 has 24 divisors (see below), whose sum is σ = 873744480. Its totient is φ = 240170784.

The previous prime is 489768701. The next prime is 489768743. The reversal of 489768724 is 427867984.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40842 + ... + 51454.

It is an arithmetic number, because the mean of its divisors is an integer number (36406020).

Almost surely, 2489768724 is an apocalyptic number.

It is an amenable number.

489768724 is a deficient number, since it is larger than the sum of its proper divisors (383975756).

489768724 is a wasteful number, since it uses less digits than its factorization.

489768724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10839 (or 10837 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 55.

The square root of 489768724 is about 22130.7190122689. The cubic root of 489768724 is about 788.2494615029.

The spelling of 489768724 in words is "four hundred eighty-nine million, seven hundred sixty-eight thousand, seven hundred twenty-four".

Divisors: 1 2 4 83 139 166 278 332 556 10613 11537 21226 23074 42452 46148 880879 1475207 1761758 2950414 3523516 5900828 122442181 244884362 489768724