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492630380 = 225112239229
BaseRepresentation
bin11101010111001…
…111000101101100
31021022222012211122
4131113033011230
52002103133010
6120514440112
715131201114
oct3527170554
91238865748
10492630380
11233093550
12118b93038
137b0a4888
14495d8044
152d3ae855
hex1d5cf16c

492630380 has 24 divisors (see below), whose sum is σ = 1128571920. Its totient is φ = 179138240.

The previous prime is 492630379. The next prime is 492630407. The reversal of 492630380 is 83036294.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 492630380.

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 7 ways as a sum of consecutive naturals, for example, 1119395 + ... + 1119834.

It is an arithmetic number, because the mean of its divisors is an integer number (47023830).

Almost surely, 2492630380 is an apocalyptic number.

It is an amenable number.

492630380 is an abundant number, since it is smaller than the sum of its proper divisors (635941540).

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

492630380 is a wasteful number, since it uses less digits than its factorization.

492630380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2239249 (or 2239247 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 492630380 is about 22195.2783267072. The cubic root of 492630380 is about 789.7816947406.

The spelling of 492630380 in words is "four hundred ninety-two million, six hundred thirty thousand, three hundred eighty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 2239229 4478458 8956916 11196145 22392290 24631519 44784580 49263038 98526076 123157595 246315190 492630380