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489577401 = 32101538589
BaseRepresentation
bin11101001011100…
…101101110111001
31021010020002221100
4131023211232321
52000312434101
6120325202013
715063224235
oct3513455671
91233202840
10489577401
11231398825
12117b60309
137a576091
14490415c5
152cea9e86
hex1d2e5bb9

489577401 has 12 divisors (see below), whose sum is σ = 714170340. Its totient is φ = 323152800.

The previous prime is 489577397. The next prime is 489577453. The reversal of 489577401 is 104775984.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 352125225 + 137452176 = 18765^2 + 11724^2 .

It is not a de Polignac number, because 489577401 - 22 = 489577397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (489577001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 268386 + ... + 270203.

It is an arithmetic number, because the mean of its divisors is an integer number (59514195).

Almost surely, 2489577401 is an apocalyptic number.

It is an amenable number.

489577401 is a deficient number, since it is larger than the sum of its proper divisors (224592939).

489577401 is a wasteful number, since it uses less digits than its factorization.

489577401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538696 (or 538693 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The square root of 489577401 is about 22126.3960237541. The cubic root of 489577401 is about 788.1468076814.

The spelling of 489577401 in words is "four hundred eighty-nine million, five hundred seventy-seven thousand, four hundred one".

Divisors: 1 3 9 101 303 909 538589 1615767 4847301 54397489 163192467 489577401