Base | Representation |
---|---|
bin | 10001001100011… |
… | …00101110110111 |
3 | 101001101201012220 |
4 | 20212030232313 |
5 | 243410400401 |
6 | 22151213423 |
7 | 3400642365 |
oct | 1046145667 |
9 | 331351186 |
10 | 144231351 |
11 | 74462170 |
12 | 40377273 |
13 | 23b5c2c4 |
14 | 15226635 |
15 | c9e0336 |
hex | 898cbb7 |
144231351 has 16 divisors (see below), whose sum is σ = 209993088. Its totient is φ = 87328800.
The previous prime is 144231323. The next prime is 144231359. The reversal of 144231351 is 153132441.
It is a happy number.
It is not a de Polignac number, because 144231351 - 213 = 144223159 is a prime.
It is a super-2 number, since 2×1442313512 = 41605365222570402, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144231359) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60441 + ... + 62781.
It is an arithmetic number, because the mean of its divisors is an integer number (13124568).
Almost surely, 2144231351 is an apocalyptic number.
144231351 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
144231351 is a deficient number, since it is larger than the sum of its proper divisors (65761737).
144231351 is a wasteful number, since it uses less digits than its factorization.
144231351 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4222.
The product of its digits is 1440, while the sum is 24.
The square root of 144231351 is about 12009.6357563417. The cubic root of 144231351 is about 524.4288282543.
Adding to 144231351 its reverse (153132441), we get a palindrome (297363792).
The spelling of 144231351 in words is "one hundred forty-four million, two hundred thirty-one thousand, three hundred fifty-one".
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