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163144000 = 265320393
BaseRepresentation
bin10011011100101…
…10000101000000
3102100222120111101
421232112011000
5313231102000
624104424144
74020462325
oct1156260500
9370876441
10163144000
11840aa558
1246778054
1327a51816
141794ab4c
15e4c8e6a
hex9b96140

163144000 has 56 divisors (see below), whose sum is σ = 404045928. Its totient is φ = 65254400.

The previous prime is 163143983. The next prime is 163144049. The reversal of 163144000 is 441361.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5992704 + 157151296 = 2448^2 + 12536^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2197 + ... + 18196.

Almost surely, 2163144000 is an apocalyptic number.

163144000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163144000 is an abundant number, since it is smaller than the sum of its proper divisors (240901928).

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

163144000 is an equidigital number, since it uses as much as digits as its factorization.

163144000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20420 (or 20400 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 163144000 is about 12772.7835650652. The cubic root of 163144000 is about 546.4163703136.

Adding to 163144000 its reverse (441361), we get a palindrome (163585361).

The spelling of 163144000 in words is "one hundred sixty-three million, one hundred forty-four thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 160 200 250 320 400 500 800 1000 1600 2000 4000 8000 20393 40786 81572 101965 163144 203930 326288 407860 509825 652576 815720 1019650 1305152 1631440 2039300 2549125 3262880 4078600 5098250 6525760 8157200 10196500 16314400 20393000 32628800 40786000 81572000 163144000