Base | Representation |
---|---|
bin | 10001001101000… |
… | …10101011100110 |
3 | 101001120021112122 |
4 | 20212202223212 |
5 | 243421240004 |
6 | 22153145542 |
7 | 3401465450 |
oct | 1046425346 |
9 | 331507478 |
10 | 144321254 |
11 | 74513770 |
12 | 403bb2b2 |
13 | 23b911bc |
14 | 1524b2d0 |
15 | ca0bcbe |
hex | 89a2ae6 |
144321254 has 16 divisors (see below), whose sum is σ = 269899776. Its totient is φ = 56229000.
The previous prime is 144321241. The next prime is 144321269. The reversal of 144321254 is 452123441.
It is a super-2 number, since 2×1443212542 = 41657248712265032, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 468422 + ... + 468729.
It is an arithmetic number, because the mean of its divisors is an integer number (16868736).
Almost surely, 2144321254 is an apocalyptic number.
144321254 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
144321254 is a deficient number, since it is larger than the sum of its proper divisors (125578522).
144321254 is a wasteful number, since it uses less digits than its factorization.
144321254 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 937171.
The product of its digits is 3840, while the sum is 26.
The square root of 144321254 is about 12013.3781260726. The cubic root of 144321254 is about 524.5377688138.
Adding to 144321254 its reverse (452123441), we get a palindrome (596444695).
The spelling of 144321254 in words is "one hundred forty-four million, three hundred twenty-one thousand, two hundred fifty-four".
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