Base | Representation |
---|---|
bin | 10001001011010… |
… | …00001000101110 |
3 | 101001010002121011 |
4 | 20211220020232 |
5 | 243341101304 |
6 | 22144055434 |
7 | 3366446356 |
oct | 1045501056 |
9 | 331102534 |
10 | 144081454 |
11 | 7436a590 |
12 | 4030457a |
13 | 23b08cca |
14 | 151c7b66 |
15 | c9b0c04 |
hex | 896822e |
144081454 has 32 divisors (see below), whose sum is σ = 248559840. Its totient is φ = 62025600.
The previous prime is 144081403. The next prime is 144081463. The reversal of 144081454 is 454180441.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31684 + ... + 35944.
It is an arithmetic number, because the mean of its divisors is an integer number (7767495).
Almost surely, 2144081454 is an apocalyptic number.
144081454 is a deficient number, since it is larger than the sum of its proper divisors (104478386).
144081454 is a wasteful number, since it uses less digits than its factorization.
144081454 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4356.
The product of its (nonzero) digits is 10240, while the sum is 31.
The square root of 144081454 is about 12003.3934368578. The cubic root of 144081454 is about 524.2470888567.
The spelling of 144081454 in words is "one hundred forty-four million, eighty-one thousand, four hundred fifty-four".
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