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489350853 = 3254372317
BaseRepresentation
bin11101001010101…
…110011011000101
31021002210121011200
4131022232123011
52000233211403
6120320253113
715061261605
oct3512563305
91232717150
10489350853
112312535a2
12117a71199
137a4c6c24
1448dc2c05
152ce62ca3
hex1d2ae6c5

489350853 has 6 divisors (see below), whose sum is σ = 706840134. Its totient is φ = 326233896.

The previous prime is 489350821. The next prime is 489350881. The reversal of 489350853 is 358053984.

It is a happy number.

489350853 is a `hidden beast` number, since 4 + 8 + 93 + 508 + 53 = 666.

It can be written as a sum of positive squares in only one way, i.e., 256544289 + 232806564 = 16017^2 + 15258^2 .

It is not a de Polignac number, because 489350853 - 25 = 489350821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 489350799 and 489350808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489350803) 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, 27186150 + ... + 27186167.

It is an arithmetic number, because the mean of its divisors is an integer number (117806689).

Almost surely, 2489350853 is an apocalyptic number.

It is an amenable number.

489350853 is a deficient number, since it is larger than the sum of its proper divisors (217489281).

489350853 is a wasteful number, since it uses less digits than its factorization.

489350853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54372323 (or 54372320 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The square root of 489350853 is about 22121.2760255822. The cubic root of 489350853 is about 788.0252193952.

The spelling of 489350853 in words is "four hundred eighty-nine million, three hundred fifty thousand, eight hundred fifty-three".

Divisors: 1 3 9 54372317 163116951 489350853