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489875453 = 29113149489
BaseRepresentation
bin11101001100101…
…110011111111101
31021010210020210022
4131030232133331
52000402003303
6120335421525
715065605214
oct3514563775
91233706708
10489875453
11231581751
121180848a5
137a64b942
14490bc07b
152d018438
hex1d32e7fd

489875453 has 8 divisors (see below), whose sum is σ = 511255800. Its totient is φ = 468794368.

The previous prime is 489875437. The next prime is 489875471. The reversal of 489875453 is 354578984.

It can be written as a sum of positive squares in 4 ways, for example, as 7546009 + 482329444 = 2747^2 + 21962^2 .

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 489875453 - 24 = 489875437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 489875395 and 489875404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489875483) 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, 71468 + ... + 78021.

It is an arithmetic number, because the mean of its divisors is an integer number (63906975).

Almost surely, 2489875453 is an apocalyptic number.

It is an amenable number.

489875453 is a deficient number, since it is larger than the sum of its proper divisors (21380347).

489875453 is a wasteful number, since it uses less digits than its factorization.

489875453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149631.

The product of its digits is 4838400, while the sum is 53.

The square root of 489875453 is about 22133.1302124214. The cubic root of 489875453 is about 788.3067150339.

The spelling of 489875453 in words is "four hundred eighty-nine million, eight hundred seventy-five thousand, four hundred fifty-three".

Divisors: 1 29 113 3277 149489 4335181 16892257 489875453