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489733842 = 231344314173
BaseRepresentation
bin11101001100001…
…011111011010010
31021010112001112110
4131030023323102
52000332440332
6120332410150
715064445313
oct3514137322
91233461473
10489733842
11231495314
12118016956
137a5cc350
144908260a
152cedb4cc
hex1d30bed2

489733842 has 32 divisors (see below), whose sum is σ = 1057267008. Its totient is φ = 150336576.

The previous prime is 489733831. The next prime is 489733879. The reversal of 489733842 is 248337984.

It is a junction number, because it is equal to n+sod(n) for n = 489733791 and 489733800.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27468 + ... + 41640.

It is an arithmetic number, because the mean of its divisors is an integer number (33039594).

Almost surely, 2489733842 is an apocalyptic number.

489733842 is an abundant number, since it is smaller than the sum of its proper divisors (567533166).

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

489733842 is a wasteful number, since it uses less digits than its factorization.

489733842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14634.

The product of its digits is 1161216, while the sum is 48.

The square root of 489733842 is about 22129.9309081615. The cubic root of 489733842 is about 788.2307476561.

The spelling of 489733842 in words is "four hundred eighty-nine million, seven hundred thirty-three thousand, eight hundred forty-two".

Divisors: 1 2 3 6 13 26 39 78 443 886 1329 2658 5759 11518 14173 17277 28346 34554 42519 85038 184249 368498 552747 1105494 6278639 12557278 18835917 37671834 81622307 163244614 244866921 489733842