Base | Representation |
---|---|
bin | 10001001111101… |
… | …10111100111110 |
3 | 101002012211000221 |
4 | 20213312330332 |
5 | 244013311210 |
6 | 22204411554 |
7 | 3404434006 |
oct | 1047667476 |
9 | 332184027 |
10 | 144666430 |
11 | 7472a037 |
12 | 40546bba |
13 | 23c8234c |
14 | 152db006 |
15 | ca791da |
hex | 89f6f3e |
144666430 has 16 divisors (see below), whose sum is σ = 275717520. Its totient is φ = 54462592.
The previous prime is 144666391. The next prime is 144666463. The reversal of 144666430 is 34666441.
It is a Harshad number since it is a multiple of its sum of digits (34).
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, 425320 + ... + 425659.
It is an arithmetic number, because the mean of its divisors is an integer number (17232345).
Almost surely, 2144666430 is an apocalyptic number.
144666430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
144666430 is a deficient number, since it is larger than the sum of its proper divisors (131051090).
144666430 is a wasteful number, since it uses less digits than its factorization.
144666430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 851003.
The product of its (nonzero) digits is 41472, while the sum is 34.
The square root of 144666430 is about 12027.7358634117. The cubic root of 144666430 is about 524.9556183193.
It can be divided in two parts, 1446 and 66430, that added together give a palindrome (67876).
The spelling of 144666430 in words is "one hundred forty-four million, six hundred sixty-six thousand, four hundred thirty".
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