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489669290 = 25118353633
BaseRepresentation
bin11101001011111…
…100001010101010
31021010101202222122
4131023330022222
52000323404130
6120331151242
715064056155
oct3513741252
91233352878
10489669290
11231450870
12117ba5522
137a5a8b56
1449066c9c
152cec72e5
hex1d2fc2aa

489669290 has 32 divisors (see below), whose sum is σ = 973135296. Its totient is φ = 175912960.

The previous prime is 489669281. The next prime is 489669353. The reversal of 489669290 is 92966984.

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, 17687 + ... + 35946.

It is an arithmetic number, because the mean of its divisors is an integer number (30410478).

Almost surely, 2489669290 is an apocalyptic number.

489669290 is a deficient number, since it is larger than the sum of its proper divisors (483466006).

489669290 is a wasteful number, since it uses less digits than its factorization.

489669290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53734.

The product of its (nonzero) digits is 1679616, while the sum is 53.

The square root of 489669290 is about 22128.4723828826. The cubic root of 489669290 is about 788.1961138050.

The spelling of 489669290 in words is "four hundred eighty-nine million, six hundred sixty-nine thousand, two hundred ninety".

Divisors: 1 2 5 10 11 22 55 83 110 166 415 830 913 1826 4565 9130 53633 107266 268165 536330 589963 1179926 2949815 4451539 5899630 8903078 22257695 44515390 48966929 97933858 244834645 489669290