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489624613 = 618026633
BaseRepresentation
bin11101001011110…
…001010000100101
31021010022111200221
4131023301100211
52000320441423
6120330204341
715063512002
oct3513612045
91233274627
10489624613
11231420245
12117b836b1
137a59170a
14490548a9
152ceb8e5d
hex1d2f1425

489624613 has 4 divisors (see below), whose sum is σ = 497651308. Its totient is φ = 481597920.

The previous prime is 489624601. The next prime is 489624647. The reversal of 489624613 is 316426984.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 39463524 + 450161089 = 6282^2 + 21217^2 .

It is a cyclic number.

It is not a de Polignac number, because 489624613 - 217 = 489493541 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 489624613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489624913) 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, 4013256 + ... + 4013377.

It is an arithmetic number, because the mean of its divisors is an integer number (124412827).

Almost surely, 2489624613 is an apocalyptic number.

It is an amenable number.

489624613 is a deficient number, since it is larger than the sum of its proper divisors (8026695).

489624613 is an equidigital number, since it uses as much as digits as its factorization.

489624613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8026694.

The product of its digits is 248832, while the sum is 43.

The square root of 489624613 is about 22127.4628685713. The cubic root of 489624613 is about 788.1721416333.

The spelling of 489624613 in words is "four hundred eighty-nine million, six hundred twenty-four thousand, six hundred thirteen".

Divisors: 1 61 8026633 489624613