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163489713 = 3227240073
BaseRepresentation
bin10011011111010…
…10011110110001
3102101122010201120
421233222132301
5313323132323
624120052453
74023432252
oct1157523661
9371563646
10163489713
1184316272
1246904129
1327b42c9a
14179dab29
15e5465e3
hex9bea7b1

163489713 has 8 divisors (see below), whose sum is σ = 218947488. Its totient is φ = 108512544.

The previous prime is 163489657. The next prime is 163489747. The reversal of 163489713 is 317984361.

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

It is not a de Polignac number, because 163489713 - 28 = 163489457 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (163489793) 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, 119356 + ... + 120717.

It is an arithmetic number, because the mean of its divisors is an integer number (27368436).

Almost surely, 2163489713 is an apocalyptic number.

It is an amenable number.

163489713 is a deficient number, since it is larger than the sum of its proper divisors (55457775).

163489713 is a wasteful number, since it uses less digits than its factorization.

163489713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240303.

The product of its digits is 108864, while the sum is 42.

The square root of 163489713 is about 12786.3095926855. The cubic root of 163489713 is about 546.8020622312.

The spelling of 163489713 in words is "one hundred sixty-three million, four hundred eighty-nine thousand, seven hundred thirteen".

Divisors: 1 3 227 681 240073 720219 54496571 163489713