Base | Representation |
---|---|
bin | 10000101101001… |
… | …10111000010000 |
3 | 100202201001121212 |
4 | 20112212320100 |
5 | 241334103034 |
6 | 21523435252 |
7 | 3321130340 |
oct | 1026467020 |
9 | 322631555 |
10 | 140144144 |
11 | 72120408 |
12 | 3ab25b28 |
13 | 2305ab3a |
14 | 14880d20 |
15 | c4842ce |
hex | 85a6e10 |
140144144 has 20 divisors (see below), whose sum is σ = 310319424. Its totient is φ = 60061728.
The previous prime is 140144143. The next prime is 140144161. The reversal of 140144144 is 441441041.
140144144 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (140144143) 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 3 ways as a sum of consecutive naturals, for example, 625532 + ... + 625755.
Almost surely, 2140144144 is an apocalyptic number.
140144144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
140144144 is an abundant number, since it is smaller than the sum of its proper divisors (170175280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
140144144 is a wasteful number, since it uses less digits than its factorization.
140144144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1251302 (or 1251296 counting only the distinct ones).
The product of its (nonzero) digits is 1024, while the sum is 23.
The square root of 140144144 is about 11838.2491948767. The cubic root of 140144144 is about 519.4275554572.
Adding to 140144144 its reverse (441441041), we get a palindrome (581585185).
The spelling of 140144144 in words is "one hundred forty million, one hundred forty-four thousand, one hundred forty-four".
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