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489719705 = 5505119391
BaseRepresentation
bin11101001100001…
…000011110011001
31021010111100010212
4131030020132121
52000332012310
6120332220505
715064356146
oct3514103631
91233440125
10489719705
11231485732
1211800a735
137a5c5a97
144907b3cd
152ced7205
hex1d308799

489719705 has 8 divisors (see below), whose sum is σ = 587810304. Its totient is φ = 391678000.

The previous prime is 489719689. The next prime is 489719707. The reversal of 489719705 is 507917984.

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

It is not a de Polignac number, because 489719705 - 24 = 489719689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489719707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15560 + ... + 34950.

It is an arithmetic number, because the mean of its divisors is an integer number (73476288).

Almost surely, 2489719705 is an apocalyptic number.

It is an amenable number.

489719705 is a deficient number, since it is larger than the sum of its proper divisors (98090599).

489719705 is a wasteful number, since it uses less digits than its factorization.

489719705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24447.

The product of its (nonzero) digits is 635040, while the sum is 50.

The square root of 489719705 is about 22129.6114968158. The cubic root of 489719705 is about 788.2231630429.

The spelling of 489719705 in words is "four hundred eighty-nine million, seven hundred nineteen thousand, seven hundred five".

Divisors: 1 5 5051 19391 25255 96955 97943941 489719705