Base | Representation |
---|---|
bin | 10001001110000… |
… | …11001001000000 |
3 | 101001211000220212 |
4 | 20213003021000 |
5 | 243440013313 |
6 | 22200053252 |
7 | 3402561203 |
oct | 1047031100 |
9 | 331730825 |
10 | 144454208 |
11 | 745a4648 |
12 | 40464228 |
13 | 23c09882 |
14 | 1528393a |
15 | ca363a8 |
hex | 89c3240 |
144454208 has 14 divisors (see below), whose sum is σ = 286651446. Its totient is φ = 72227072.
The previous prime is 144454201. The next prime is 144454217. The reversal of 144454208 is 802454441.
It can be written as a sum of positive squares in only one way, i.e., 144192064 + 262144 = 12008^2 + 512^2 .
It is a Harshad number since it is a multiple of its sum of digits (32).
It is not an unprimeable number, because it can be changed into a prime (144454201) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128485 + ... + 1128612.
Almost surely, 2144454208 is an apocalyptic number.
It is an amenable number.
144454208 is a deficient number, since it is larger than the sum of its proper divisors (142197238).
144454208 is an equidigital number, since it uses as much as digits as its factorization.
144454208 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2257109 (or 2257099 counting only the distinct ones).
The product of its (nonzero) digits is 20480, while the sum is 32.
The square root of 144454208 is about 12018.9104331466. The cubic root of 144454208 is about 524.6987938143.
The spelling of 144454208 in words is "one hundred forty-four million, four hundred fifty-four thousand, two hundred eight".
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