Base | Representation |
---|---|
bin | 10001001010110… |
… | …01011011011010 |
3 | 101001000000221220 |
4 | 20211121123122 |
5 | 243332134320 |
6 | 22142512510 |
7 | 3366105624 |
oct | 1045313332 |
9 | 331000856 |
10 | 144021210 |
11 | 743292a3 |
12 | 40295736 |
13 | 23ab7768 |
14 | 151adc14 |
15 | c99ce40 |
hex | 89596da |
144021210 has 16 divisors (see below), whose sum is σ = 345650976. Its totient is φ = 38405648.
The previous prime is 144021209. The next prime is 144021277. The reversal of 144021210 is 12120441.
144021210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 144021210.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2400324 + ... + 2400383.
It is an arithmetic number, because the mean of its divisors is an integer number (21603186).
Almost surely, 2144021210 is an apocalyptic number.
144021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
144021210 is an abundant number, since it is smaller than the sum of its proper divisors (201629766).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144021210 is a wasteful number, since it uses less digits than its factorization.
144021210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4800717.
The product of its (nonzero) digits is 64, while the sum is 15.
The square root of 144021210 is about 12000.8837174601. The cubic root of 144021210 is about 524.1740118029.
Adding to 144021210 its reverse (12120441), we get a palindrome (156141651).
The spelling of 144021210 in words is "one hundred forty-four million, twenty-one thousand, two hundred ten".
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