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489299977 = 2930754959
BaseRepresentation
bin11101001010100…
…010000000001001
31021002201000101101
4131022202000021
52000230044402
6120315221401
715060660355
oct3512420011
91232630341
10489299977
11231219351
12117a47861
137a4a9a1a
1448dac465
152ce52b87
hex1d2a2009

489299977 has 8 divisors (see below), whose sum is σ = 507830400. Its totient is φ = 470880144.

The previous prime is 489299917. The next prime is 489299981. The reversal of 489299977 is 779992984.

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

It is a cyclic number.

It is not a de Polignac number, because 489299977 - 227 = 355082249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489299917) 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, 18577 + ... + 36382.

It is an arithmetic number, because the mean of its divisors is an integer number (63478800).

Almost surely, 2489299977 is an apocalyptic number.

It is an amenable number.

489299977 is a deficient number, since it is larger than the sum of its proper divisors (18530423).

489299977 is a wasteful number, since it uses less digits than its factorization.

489299977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55295.

The product of its digits is 20575296, while the sum is 64.

The square root of 489299977 is about 22120.1260620278. The cubic root of 489299977 is about 787.9979090920.

The spelling of 489299977 in words is "four hundred eighty-nine million, two hundred ninety-nine thousand, nine hundred seventy-seven".

Divisors: 1 29 307 8903 54959 1593811 16872413 489299977