Base | Representation |
---|---|
bin | 10001001100001… |
… | …11101111001010 |
3 | 101001100200011002 |
4 | 20212013233022 |
5 | 243404222030 |
6 | 22150535002 |
7 | 3400525625 |
oct | 1046075712 |
9 | 331320132 |
10 | 144210890 |
11 | 7444885a |
12 | 40367462 |
13 | 23b52bb5 |
14 | 1521cdbc |
15 | c9d9245 |
hex | 8987bca |
144210890 has 16 divisors (see below), whose sum is σ = 259890120. Its totient is φ = 57615360.
The previous prime is 144210887. The next prime is 144210901. The reversal of 144210890 is 98012441.
144210890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 79263409 + 64947481 = 8903^2 + 8059^2 .
It is a Curzon number.
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, 626 + ... + 16994.
Almost surely, 2144210890 is an apocalyptic number.
144210890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
144210890 is a deficient number, since it is larger than the sum of its proper divisors (115679230).
144210890 is a wasteful number, since it uses less digits than its factorization.
144210890 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17257.
The product of its (nonzero) digits is 2304, while the sum is 29.
The square root of 144210890 is about 12008.7838684856. The cubic root of 144210890 is about 524.4040281776.
The spelling of 144210890 in words is "one hundred forty-four million, two hundred ten thousand, eight hundred ninety".
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