Base | Representation |
---|---|
bin | 10001001110000… |
… | …10111011010010 |
3 | 101001210222201100 |
4 | 20213002323102 |
5 | 243440001310 |
6 | 22200045230 |
7 | 3402555510 |
oct | 1047027322 |
9 | 331728640 |
10 | 144453330 |
11 | 745a3a1a |
12 | 40463816 |
13 | 23c09358 |
14 | 152834b0 |
15 | ca35ec0 |
hex | 89c2ed2 |
144453330 has 96 divisors (see below), whose sum is σ = 432117504. Its totient is φ = 32796288.
The previous prime is 144453329. The next prime is 144453341. The reversal of 144453330 is 33354441.
It is a junction number, because it is equal to n+sod(n) for n = 144453294 and 144453303.
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 47 ways as a sum of consecutive naturals, for example, 104524 + ... + 105896.
It is an arithmetic number, because the mean of its divisors is an integer number (4501224).
Almost surely, 2144453330 is an apocalyptic number.
144453330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 144453330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216058752).
144453330 is an abundant number, since it is smaller than the sum of its proper divisors (287664174).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144453330 is a wasteful number, since it uses less digits than its factorization.
144453330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1560 (or 1557 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 27.
The square root of 144453330 is about 12018.8739073176. The cubic root of 144453330 is about 524.6977307635.
The spelling of 144453330 in words is "one hundred forty-four million, four hundred fifty-three thousand, three hundred thirty".
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