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489834672 = 24343733251
BaseRepresentation
bin11101001100100…
…100100010110000
31021010201011211220
4131030210202300
52000344202142
6120334505040
715065345265
oct3514444260
91233634756
10489834672
11231554048
12118065180
137a636202
14490ab26c
152d00b2ec
hex1d3248b0

489834672 has 80 divisors (see below), whose sum is σ = 1312975488. Its totient is φ = 157248000.

The previous prime is 489834661. The next prime is 489834673. The reversal of 489834672 is 276438984.

It is not an unprimeable number, because it can be changed into a prime (489834673) 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, 149047 + ... + 152297.

Almost surely, 2489834672 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 489834672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (656487744).

489834672 is an abundant number, since it is smaller than the sum of its proper divisors (823140816).

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

489834672 is a wasteful number, since it uses less digits than its factorization.

489834672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3378 (or 3372 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 51.

The square root of 489834672 is about 22132.2089272625. The cubic root of 489834672 is about 788.2848395224.

The spelling of 489834672 in words is "four hundred eighty-nine million, eight hundred thirty-four thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 43 48 73 86 129 146 172 219 258 292 344 438 516 584 688 876 1032 1168 1752 2064 3139 3251 3504 6278 6502 9417 9753 12556 13004 18834 19506 25112 26008 37668 39012 50224 52016 75336 78024 139793 150672 156048 237323 279586 419379 474646 559172 711969 838758 949292 1118344 1423938 1677516 1898584 2236688 2847876 3355032 3797168 5695752 6710064 10204889 11391504 20409778 30614667 40819556 61229334 81639112 122458668 163278224 244917336 489834672