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489144225 = 3526521923
BaseRepresentation
bin11101001001111…
…011111110100001
31021002102002201210
4131021323332201
52000210103400
6120312020333
715056441313
oct3511737641
91232362653
10489144225
11231122329
121179916a9
137a453b6b
1448d6b7b3
152ce21950
hex1d27bfa1

489144225 has 12 divisors (see below), whose sum is σ = 808718576. Its totient is φ = 260876880.

The previous prime is 489144223. The next prime is 489144239. The reversal of 489144225 is 522441984.

It is not a de Polignac number, because 489144225 - 21 = 489144223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489144223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3260887 + ... + 3261036.

Almost surely, 2489144225 is an apocalyptic number.

It is an amenable number.

489144225 is a deficient number, since it is larger than the sum of its proper divisors (319574351).

489144225 is a wasteful number, since it uses less digits than its factorization.

489144225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6521936 (or 6521931 counting only the distinct ones).

The product of its digits is 92160, while the sum is 39.

The square root of 489144225 is about 22116.6051870535. The cubic root of 489144225 is about 787.9142894442.

The spelling of 489144225 in words is "four hundred eighty-nine million, one hundred forty-four thousand, two hundred twenty-five".

Divisors: 1 3 5 15 25 75 6521923 19565769 32609615 97828845 163048075 489144225