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489787982 = 2331739861
BaseRepresentation
bin11101001100011…
…001001001001110
31021010121210210122
4131030121021032
52000341203412
6120333504542
715065062205
oct3514311116
91233553718
10489787982
11231521a62
12118042152
137a61ab98
144909823c
152ceec572
hex1d31924e

489787982 has 8 divisors (see below), whose sum is σ = 736902552. Its totient is φ = 244153800.

The previous prime is 489787973. The next prime is 489787993. The reversal of 489787982 is 289787984.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 369269 + ... + 370592.

It is an arithmetic number, because the mean of its divisors is an integer number (92112819).

Almost surely, 2489787982 is an apocalyptic number.

489787982 is a deficient number, since it is larger than the sum of its proper divisors (247114570).

489787982 is a wasteful number, since it uses less digits than its factorization.

489787982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740194.

The product of its digits is 16257024, while the sum is 62.

The square root of 489787982 is about 22131.1541045649. The cubic root of 489787982 is about 788.2597928480.

The spelling of 489787982 in words is "four hundred eighty-nine million, seven hundred eighty-seven thousand, nine hundred eighty-two".

Divisors: 1 2 331 662 739861 1479722 244893991 489787982