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489716532 = 223213603237
BaseRepresentation
bin11101001100000…
…111101100110100
31021010111011210100
4131030013230310
52000331412112
6120332154100
715064343664
oct3514075464
91233434710
10489716532
11231483308
12118008930
137a5c44c6
144907a1a4
152ced62dc
hex1d307b34

489716532 has 18 divisors (see below), whose sum is σ = 1237894658. Its totient is φ = 163238832.

The previous prime is 489716531. The next prime is 489716561. The reversal of 489716532 is 235617984.

489716532 is a `hidden beast` number, since 48 + 9 + 71 + 6 + 532 = 666.

It can be written as a sum of positive squares in only one way, i.e., 489117456 + 599076 = 22116^2 + 774^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489716531) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6801583 + ... + 6801654.

Almost surely, 2489716532 is an apocalyptic number.

It is an amenable number.

489716532 is an abundant number, since it is smaller than the sum of its proper divisors (748178126).

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

489716532 is a wasteful number, since it uses less digits than its factorization.

489716532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13603247 (or 13603242 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 489716532 is about 22129.5398054275. The cubic root of 489716532 is about 788.2214606831.

The spelling of 489716532 in words is "four hundred eighty-nine million, seven hundred sixteen thousand, five hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 36 13603237 27206474 40809711 54412948 81619422 122429133 163238844 244858266 489716532