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489225282 = 237133312707
BaseRepresentation
bin11101001010001…
…111110001000010
31021002120012220220
4131022033301002
52000220202112
6120313443510
715060226530
oct3512176102
91232505826
10489225282
11231178217
12117a10596
137a481a20
1448d8d150
152ce3a98c
hex1d28fc42

489225282 has 64 divisors (see below), whose sum is σ = 1208331264. Its totient is φ = 128589120.

The previous prime is 489225271. The next prime is 489225283. The reversal of 489225282 is 282522984.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (489225283) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 179373 + ... + 182079.

It is an arithmetic number, because the mean of its divisors is an integer number (18880176).

Almost surely, 2489225282 is an apocalyptic number.

489225282 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 489225282, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (604165632).

489225282 is an abundant number, since it is smaller than the sum of its proper divisors (719105982).

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

489225282 is a wasteful number, since it uses less digits than its factorization.

489225282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3063.

The product of its digits is 184320, while the sum is 42.

The square root of 489225282 is about 22118.4376030496. The cubic root of 489225282 is about 787.9578092882.

The spelling of 489225282 in words is "four hundred eighty-nine million, two hundred twenty-five thousand, two hundred eighty-two".

Divisors: 1 2 3 6 7 13 14 21 26 39 42 78 91 182 273 331 546 662 993 1986 2317 2707 4303 4634 5414 6951 8121 8606 12909 13902 16242 18949 25818 30121 35191 37898 56847 60242 70382 90363 105573 113694 180726 211146 246337 492674 739011 896017 1478022 1792034 2688051 5376102 6272119 11648221 12544238 18816357 23296442 34944663 37632714 69889326 81537547 163075094 244612641 489225282