Base | Representation |
---|---|
bin | 10001001100010… |
… | …10101011101000 |
3 | 101001101021200211 |
4 | 20212022223220 |
5 | 243410113302 |
6 | 22151110504 |
7 | 3400606036 |
oct | 1046125350 |
9 | 331337624 |
10 | 144222952 |
11 | 74456925 |
12 | 40372434 |
13 | 23b58533 |
14 | 15223556 |
15 | c9dcad7 |
hex | 898aae8 |
144222952 has 8 divisors (see below), whose sum is σ = 270418050. Its totient is φ = 72111472.
The previous prime is 144222941. The next prime is 144222959. The reversal of 144222952 is 259222441.
It can be written as a sum of positive squares in only one way, i.e., 118069956 + 26152996 = 10866^2 + 5114^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is not an unprimeable number, because it can be changed into a prime (144222959) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9013927 + ... + 9013942.
Almost surely, 2144222952 is an apocalyptic number.
It is an amenable number.
144222952 is a deficient number, since it is larger than the sum of its proper divisors (126195098).
144222952 is a wasteful number, since it uses less digits than its factorization.
144222952 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18027875 (or 18027871 counting only the distinct ones).
The product of its digits is 11520, while the sum is 31.
The square root of 144222952 is about 12009.2860737015. The cubic root of 144222952 is about 524.4186483982.
The spelling of 144222952 in words is "one hundred forty-four million, two hundred twenty-two thousand, nine hundred fifty-two".
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