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489916307 = 23103206803
BaseRepresentation
bin11101001100111…
…000011110010011
31021010212022211102
4131030320132103
52000404310212
6120340335015
715066135266
oct3514703623
91233768742
10489916307
112315aa411
121180a446b
137a66440a
14490cccdd
152d0255c2
hex1d338793

489916307 has 8 divisors (see below), whose sum is σ = 516182784. Its totient is φ = 464063688.

The previous prime is 489916291. The next prime is 489916331. The reversal of 489916307 is 703619984.

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 489916307 - 24 = 489916291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489916507) 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, 101033 + ... + 105770.

It is an arithmetic number, because the mean of its divisors is an integer number (64522848).

Almost surely, 2489916307 is an apocalyptic number.

489916307 is a deficient number, since it is larger than the sum of its proper divisors (26266477).

489916307 is a wasteful number, since it uses less digits than its factorization.

489916307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206929.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 489916307 is about 22134.0531082764. The cubic root of 489916307 is about 788.3286284863.

The spelling of 489916307 in words is "four hundred eighty-nine million, nine hundred sixteen thousand, three hundred seven".

Divisors: 1 23 103 2369 206803 4756469 21300709 489916307