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489921201 = 32711823859
BaseRepresentation
bin11101001100111…
…001101010110001
31021010212120112200
4131030321222301
52000404434301
6120340413413
715066155460
oct3514715261
91233776480
10489921201
11231603060
121180a7269
137a666703
14490d09d7
152d026c86
hex1d339ab1

489921201 has 48 divisors (see below), whose sum is σ = 884382720. Its totient is φ = 253899360.

The previous prime is 489921199. The next prime is 489921209. The reversal of 489921201 is 102129984.

It is not a de Polignac number, because 489921201 - 21 = 489921199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (489921209) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 569910 + ... + 570768.

It is an arithmetic number, because the mean of its divisors is an integer number (18424640).

Almost surely, 2489921201 is an apocalyptic number.

It is an amenable number.

489921201 is a deficient number, since it is larger than the sum of its proper divisors (394461519).

489921201 is a wasteful number, since it uses less digits than its factorization.

489921201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1706 (or 1703 counting only the distinct ones).

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

The square root of 489921201 is about 22134.1636616340. The cubic root of 489921201 is about 788.3312534703.

The spelling of 489921201 in words is "four hundred eighty-nine million, nine hundred twenty-one thousand, two hundred one".

Divisors: 1 3 7 9 11 21 33 63 77 99 231 693 823 859 2469 2577 5761 6013 7407 7731 9053 9449 17283 18039 27159 28347 51849 54117 63371 66143 81477 85041 190113 198429 570339 595287 706957 2120871 4948699 6362613 7776527 14846097 23329581 44538291 54435689 69988743 163307067 489921201