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489211092 = 223229468593
BaseRepresentation
bin11101001010001…
…100010011010100
31021002112111110100
4131022030103110
52000214223332
6120313254100
715060140256
oct3512142324
91232474410
10489211092
11231168597
12117a04330
137a478426
1448d87cd6
152ce3667c
hex1d28c4d4

489211092 has 36 divisors (see below), whose sum is σ = 1279261620. Its totient is φ = 157446912.

The previous prime is 489211001. The next prime is 489211111. The reversal of 489211092 is 290112984.

It can be written as a sum of positive squares in 2 ways, for example, as 249766416 + 239444676 = 15804^2 + 15474^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 233253 + ... + 235340.

It is an arithmetic number, because the mean of its divisors is an integer number (35535045).

Almost surely, 2489211092 is an apocalyptic number.

It is an amenable number.

489211092 is an abundant number, since it is smaller than the sum of its proper divisors (790050528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

489211092 is a wasteful number, since it uses less digits than its factorization.

489211092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468632 (or 468627 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 489211092 is about 22118.1168276144. The cubic root of 489211092 is about 787.9501909647.

The spelling of 489211092 in words is "four hundred eighty-nine million, two hundred eleven thousand, ninety-two".

Divisors: 1 2 3 4 6 9 12 18 29 36 58 87 116 174 261 348 522 1044 468593 937186 1405779 1874372 2811558 4217337 5623116 8434674 13589197 16869348 27178394 40767591 54356788 81535182 122302773 163070364 244605546 489211092