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489718706 = 2299981647
BaseRepresentation
bin11101001100001…
…000001110110010
31021010111021202212
4131030020032302
52000331444311
6120332212122
715064353221
oct3514101662
91233437685
10489718706
11231484a04
1211800a042
137a5c54a9
144907acb8
152ced6c8b
hex1d3083b2

489718706 has 8 divisors (see below), whose sum is σ = 734832000. Its totient is φ = 244774708.

The previous prime is 489718681. The next prime is 489718727. The reversal of 489718706 is 607817984.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×4897187062 = 479648822012628872, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34826 + ... + 46821.

It is an arithmetic number, because the mean of its divisors is an integer number (91854000).

Almost surely, 2489718706 is an apocalyptic number.

489718706 is a deficient number, since it is larger than the sum of its proper divisors (245113294).

489718706 is a wasteful number, since it uses less digits than its factorization.

489718706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84648.

The product of its (nonzero) digits is 677376, while the sum is 50.

The square root of 489718706 is about 22129.5889252376. The cubic root of 489718706 is about 788.2226270659. Note that the first 3 decimals are identical.

The spelling of 489718706 in words is "four hundred eighty-nine million, seven hundred eighteen thousand, seven hundred six".

Divisors: 1 2 2999 5998 81647 163294 244859353 489718706