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489428382 = 23290328099
BaseRepresentation
bin11101001011000…
…001010110011110
31021002221112112010
4131023001112132
52000243202012
6120322052050
715062033622
oct3513012636
91232845463
10489428382
112312a6873
12117aaa026
137a5232c1
1449003182
152ce7ac3c
hex1d2c159e

489428382 has 16 divisors (see below), whose sum is σ = 979228800. Its totient is φ = 163080792.

The previous prime is 489428371. The next prime is 489428411. The reversal of 489428382 is 283824984.

It is a super-2 number, since 2×4894283822 = 479080282214275848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3369 + ... + 31467.

It is an arithmetic number, because the mean of its divisors is an integer number (61201800).

Almost surely, 2489428382 is an apocalyptic number.

489428382 is an abundant number, since it is smaller than the sum of its proper divisors (489800418).

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

489428382 is a wasteful number, since it uses less digits than its factorization.

489428382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31007.

The product of its digits is 884736, while the sum is 48.

The square root of 489428382 is about 22123.0283189260. The cubic root of 489428382 is about 788.0668334237.

The spelling of 489428382 in words is "four hundred eighty-nine million, four hundred twenty-eight thousand, three hundred eighty-two".

Divisors: 1 2 3 6 2903 5806 8709 17418 28099 56198 84297 168594 81571397 163142794 244714191 489428382