Base | Representation |
---|---|
bin | 10001001100001… |
… | …10010001011010 |
3 | 101001100100220212 |
4 | 20212012101122 |
5 | 243404024030 |
6 | 22150451122 |
7 | 3400502264 |
oct | 1046062132 |
9 | 331310825 |
10 | 144204890 |
11 | 744442a5 |
12 | 40363aa2 |
13 | 23b5024b |
14 | 1521ab34 |
15 | c9d7595 |
hex | 898645a |
144204890 has 16 divisors (see below), whose sum is σ = 259765920. Its totient is φ = 57638160.
The previous prime is 144204877. The next prime is 144204899. The reversal of 144204890 is 98402441.
It is not an unprimeable number, because it can be changed into a prime (144204899) by changing a digit.
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, 10601 + ... + 20019.
It is an arithmetic number, because the mean of its divisors is an integer number (16235370).
Almost surely, 2144204890 is an apocalyptic number.
144204890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
144204890 is a deficient number, since it is larger than the sum of its proper divisors (115561030).
144204890 is a wasteful number, since it uses less digits than its factorization.
144204890 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10957.
The product of its (nonzero) digits is 9216, while the sum is 32.
The square root of 144204890 is about 12008.5340487505. The cubic root of 144204890 is about 524.3967553385.
The spelling of 144204890 in words is "one hundred forty-four million, two hundred four thousand, eight hundred ninety".
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