Base | Representation |
---|---|
bin | 10001010001110… |
… | …11100000011110 |
3 | 101002202002012221 |
4 | 20220323200132 |
5 | 244101302410 |
6 | 22214415554 |
7 | 3410013451 |
oct | 1050734036 |
9 | 332662187 |
10 | 144947230 |
11 | 74900aaa |
12 | 406615ba |
13 | 240500bc |
14 | 15371498 |
15 | cad24da |
hex | 8a3b81e |
144947230 has 8 divisors (see below), whose sum is σ = 260905032. Its totient is φ = 57978888.
The previous prime is 144947213. The next prime is 144947237. The reversal of 144947230 is 32749441.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144947237) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7247352 + ... + 7247371.
It is an arithmetic number, because the mean of its divisors is an integer number (32613129).
Almost surely, 2144947230 is an apocalyptic number.
144947230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
144947230 is a deficient number, since it is larger than the sum of its proper divisors (115957802).
144947230 is a wasteful number, since it uses less digits than its factorization.
144947230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14494730.
The product of its (nonzero) digits is 24192, while the sum is 34.
The square root of 144947230 is about 12039.4032244127. The cubic root of 144947230 is about 525.2950480608.
The spelling of 144947230 in words is "one hundred forty-four million, nine hundred forty-seven thousand, two hundred thirty".
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