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489056911 = 769865273
BaseRepresentation
bin11101001001100…
…110101010001111
31021002020122221221
4131021212222033
52000144310121
6120310104211
715055625620
oct3511465217
91232218857
10489056911
11231072772
1211794b067
137a4231b5
1448d47a47
152ce05b41
hex1d266a8f

489056911 has 4 divisors (see below), whose sum is σ = 558922192. Its totient is φ = 419191632.

The previous prime is 489056891. The next prime is 489056923. The reversal of 489056911 is 119650984.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 489056911 - 213 = 489048719 is a prime.

It is a super-3 number, since 3×4890569113 (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489056111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34932630 + ... + 34932643.

It is an arithmetic number, because the mean of its divisors is an integer number (139730548).

Almost surely, 2489056911 is an apocalyptic number.

489056911 is a deficient number, since it is larger than the sum of its proper divisors (69865281).

489056911 is an equidigital number, since it uses as much as digits as its factorization.

489056911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69865280.

The product of its (nonzero) digits is 77760, while the sum is 43.

The square root of 489056911 is about 22114.6311522485. The cubic root of 489056911 is about 787.8674048114.

The spelling of 489056911 in words is "four hundred eighty-nine million, fifty-six thousand, nine hundred eleven".

Divisors: 1 7 69865273 489056911