Search a number
-
+
489102117 = 3773319049
BaseRepresentation
bin11101001001110…
…001101100100101
31021002022221222020
4131021301230211
52000202231432
6120311053353
715056204460
oct3511615445
91232287866
10489102117
112310a3729
12117971259
137a43a94a
1448d5a2d7
152ce1422c
hex1d271b25

489102117 has 16 divisors (see below), whose sum is σ = 755510400. Its totient is φ = 275657472.

The previous prime is 489102113. The next prime is 489102143. The reversal of 489102117 is 711201984.

It is not a de Polignac number, because 489102117 - 22 = 489102113 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489102113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157992 + ... + 161057.

It is an arithmetic number, because the mean of its divisors is an integer number (47219400).

Almost surely, 2489102117 is an apocalyptic number.

It is an amenable number.

489102117 is a deficient number, since it is larger than the sum of its proper divisors (266408283).

489102117 is a wasteful number, since it uses less digits than its factorization.

489102117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319132.

The product of its (nonzero) digits is 4032, while the sum is 33.

The square root of 489102117 is about 22115.6532121482. The cubic root of 489102117 is about 787.8916795845.

The spelling of 489102117 in words is "four hundred eighty-nine million, one hundred two thousand, one hundred seventeen".

Divisors: 1 3 7 21 73 219 511 1533 319049 957147 2233343 6700029 23290577 69871731 163034039 489102117