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489699824 = 241743149281
BaseRepresentation
bin11101001100000…
…011100111110000
31021010110022212112
4131030003213300
52000330343244
6120331544452
715064244165
oct3514034760
91233408775
10489699824
112314717a9
12117bbb128
137a5b9a13
144907406c
152ced139e
hex1d3039f0

489699824 has 80 divisors (see below), whose sum is σ = 1038549600. Its totient is φ = 222781440.

The previous prime is 489699817. The next prime is 489699827. The reversal of 489699824 is 428996984.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489699827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1742564 + ... + 1742844.

It is an arithmetic number, because the mean of its divisors is an integer number (12981870).

Almost surely, 2489699824 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 489699824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (519274800).

489699824 is an abundant number, since it is smaller than the sum of its proper divisors (548849776).

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

489699824 is a wasteful number, since it uses less digits than its factorization.

489699824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498 (or 492 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 59.

The square root of 489699824 is about 22129.1622977464. The cubic root of 489699824 is about 788.2124964809.

The spelling of 489699824 in words is "four hundred eighty-nine million, six hundred ninety-nine thousand, eight hundred twenty-four".

Divisors: 1 2 4 8 16 17 34 43 68 86 136 149 172 272 281 298 344 562 596 688 731 1124 1192 1462 2248 2384 2533 2924 4496 4777 5066 5848 6407 9554 10132 11696 12083 12814 19108 20264 24166 25628 38216 40528 41869 48332 51256 76432 83738 96664 102512 108919 167476 193328 205411 217838 334952 410822 435676 669904 711773 821644 871352 1423546 1643288 1742704 1800367 2847092 3286576 3600734 5694184 7201468 11388368 14402936 28805872 30606239 61212478 122424956 244849912 489699824