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489289406 = 21937348001
BaseRepresentation
bin11101001010011…
…111011010111110
31021002200110212212
4131022133122332
52000224230111
6120315100422
715060614504
oct3512373276
91232613785
10489289406
11231211411
12117a41712
137a4a4c78
1448da8674
152ce4e98b
hex1d29f6be

489289406 has 16 divisors (see below), whose sum is σ = 793444560. Its totient is φ = 225504000.

The previous prime is 489289391. The next prime is 489289441. The reversal of 489289406 is 604982984.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172595 + ... + 175406.

It is an arithmetic number, because the mean of its divisors is an integer number (49590285).

Almost surely, 2489289406 is an apocalyptic number.

489289406 is a deficient number, since it is larger than the sum of its proper divisors (304155154).

489289406 is a wasteful number, since it uses less digits than its factorization.

489289406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348059.

The product of its (nonzero) digits is 995328, while the sum is 50.

The square root of 489289406 is about 22119.8871154443. The cubic root of 489289406 is about 787.9922343279.

The spelling of 489289406 in words is "four hundred eighty-nine million, two hundred eighty-nine thousand, four hundred six".

Divisors: 1 2 19 37 38 74 703 1406 348001 696002 6612019 12876037 13224038 25752074 244644703 489289406