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489699489 = 3533079871
BaseRepresentation
bin11101001100000…
…011100010100001
31021010110022102010
4131030003202201
52000330340424
6120331543133
715064243206
oct3514034241
91233408363
10489699489
11231471524
12117bbaaa9
137a5b9816
1449073cad
152ced1229
hex1d3038a1

489699489 has 8 divisors (see below), whose sum is σ = 665252352. Its totient is φ = 320306480.

The previous prime is 489699487. The next prime is 489699491. The reversal of 489699489 is 984996984.

It is an interprime number because it is at equal distance from previous prime (489699487) and next prime (489699491).

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 489699489 - 21 = 489699487 is a prime.

It is a super-2 number, since 2×4896994892 = 479611179053722242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (489699487) 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, 1539777 + ... + 1540094.

It is an arithmetic number, because the mean of its divisors is an integer number (83156544).

Almost surely, 2489699489 is an apocalyptic number.

It is an amenable number.

489699489 is a deficient number, since it is larger than the sum of its proper divisors (175552863).

489699489 is a wasteful number, since it uses less digits than its factorization.

489699489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3079927.

The product of its digits is 40310784, while the sum is 66.

The square root of 489699489 is about 22129.1547285476. The cubic root of 489699489 is about 788.2123167441.

The spelling of 489699489 in words is "four hundred eighty-nine million, six hundred ninety-nine thousand, four hundred eighty-nine".

Divisors: 1 3 53 159 3079871 9239613 163233163 489699489