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489632371 = 12712293137
BaseRepresentation
bin11101001011110…
…011001001110011
31021010022220100021
4131023303021303
52000321213441
6120330304311
715063543424
oct3513631163
91233286307
10489632371
11231426058
12117b88097
137a5950c7
144905764b
152cebb3d1
hex1d2f3273

489632371 has 8 divisors (see below), whose sum is σ = 494046720. Its totient is φ = 485227008.

The previous prime is 489632347. The next prime is 489632399. The reversal of 489632371 is 173236984.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 489632371 - 219 = 489108083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489632971) by changing a digit.

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, 154515 + ... + 157651.

It is an arithmetic number, because the mean of its divisors is an integer number (61755840).

Almost surely, 2489632371 is an apocalyptic number.

489632371 is a deficient number, since it is larger than the sum of its proper divisors (4414349).

489632371 is a wasteful number, since it uses less digits than its factorization.

489632371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4493.

The product of its digits is 217728, while the sum is 43.

The square root of 489632371 is about 22127.6381703968. The cubic root of 489632371 is about 788.1763044191.

The spelling of 489632371 in words is "four hundred eighty-nine million, six hundred thirty-two thousand, three hundred seventy-one".

Divisors: 1 127 1229 3137 156083 398399 3855373 489632371