Base | Representation |
---|---|
bin | 10001001110100… |
… | …11010011101110 |
3 | 101001221101202112 |
4 | 20213103103232 |
5 | 243444123210 |
6 | 22201324022 |
7 | 3403255235 |
oct | 1047232356 |
9 | 331841675 |
10 | 144520430 |
11 | 7463a37a |
12 | 40496612 |
13 | 23c30a62 |
14 | 1529db1c |
15 | ca4ad05 |
hex | 89d34ee |
144520430 has 16 divisors (see below), whose sum is σ = 263272464. Its totient is φ = 57111360.
The previous prime is 144520393. The next prime is 144520447. The reversal of 144520430 is 34025441.
It is a junction number, because it is equal to n+sod(n) for n = 144520396 and 144520405.
It is a congruent 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, 86231 + ... + 87890.
It is an arithmetic number, because the mean of its divisors is an integer number (16454529).
Almost surely, 2144520430 is an apocalyptic number.
144520430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
144520430 is a deficient number, since it is larger than the sum of its proper divisors (118752034).
144520430 is a wasteful number, since it uses less digits than its factorization.
144520430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 174211.
The product of its (nonzero) digits is 1920, while the sum is 23.
The square root of 144520430 is about 12021.6650261102. The cubic root of 144520430 is about 524.7789606153.
Adding to 144520430 its reverse (34025441), we get a palindrome (178545871).
The spelling of 144520430 in words is "one hundred forty-four million, five hundred twenty thousand, four hundred thirty".
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