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489289404 = 223239170603
BaseRepresentation
bin11101001010011…
…111011010111100
31021002200110212210
4131022133122330
52000224230104
6120315100420
715060614502
oct3512373274
91232613783
10489289404
1123121140a
12117a41710
137a4a4c76
1448da8672
152ce4e989
hex1d29f6bc

489289404 has 24 divisors (see below), whose sum is σ = 1146458880. Its totient is φ = 162413104.

The previous prime is 489289391. The next prime is 489289441. The reversal of 489289404 is 404982984.

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, 82434 + ... + 88169.

It is an arithmetic number, because the mean of its divisors is an integer number (47769120).

Almost surely, 2489289404 is an apocalyptic number.

It is an amenable number.

489289404 is an abundant number, since it is smaller than the sum of its proper divisors (657169476).

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

489289404 is a wasteful number, since it uses less digits than its factorization.

489289404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170849 (or 170847 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 48.

The square root of 489289404 is about 22119.8870702361. The cubic root of 489289404 is about 787.9922332542.

The spelling of 489289404 in words is "four hundred eighty-nine million, two hundred eighty-nine thousand, four hundred four".

Divisors: 1 2 3 4 6 12 239 478 717 956 1434 2868 170603 341206 511809 682412 1023618 2047236 40774117 81548234 122322351 163096468 244644702 489289404