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489627225 = 32522176121
BaseRepresentation
bin11101001011110…
…001111001011001
31021010022122021200
4131023301321121
52000321032400
6120330224413
715063522423
oct3513617131
91233278250
10489627225
112314221aa
12117b85109
137a592969
1449055813
152ceb9b00
hex1d2f1e59

489627225 has 18 divisors (see below), whose sum is σ = 876977166. Its totient is φ = 261134400.

The previous prime is 489627211. The next prime is 489627233. The reversal of 489627225 is 522726984.

It can be written as a sum of positive squares in 3 ways, for example, as 112529664 + 377097561 = 10608^2 + 19419^2 .

It is not a de Polignac number, because 489627225 - 26 = 489627161 is a prime.

It is a super-2 number, since 2×4896272252 = 479469638922401250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1087836 + ... + 1088285.

Almost surely, 2489627225 is an apocalyptic number.

489627225 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

489627225 is a deficient number, since it is larger than the sum of its proper divisors (387349941).

489627225 is a wasteful number, since it uses less digits than its factorization.

489627225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2176137 (or 2176129 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 489627225 is about 22127.5218901711. The cubic root of 489627225 is about 788.1735431846.

The spelling of 489627225 in words is "four hundred eighty-nine million, six hundred twenty-seven thousand, two hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 75 225 2176121 6528363 10880605 19585089 32641815 54403025 97925445 163209075 489627225