Base | Representation |
---|---|
bin | 1100111010010… |
… | …0010000000001 |
3 | 10202220010000221 |
4 | 3032210100001 |
5 | 102330301040 |
6 | 5212343041 |
7 | 1225161100 |
oct | 316442001 |
9 | 122803027 |
10 | 54150145 |
11 | 28625895 |
12 | 16174a81 |
13 | b2ac40a |
14 | 7298037 |
15 | 4b4974a |
hex | 33a4401 |
54150145 has 12 divisors (see below), whose sum is σ = 75589524. Its totient is φ = 37131360.
The previous prime is 54150143. The next prime is 54150179. The reversal of 54150145 is 54105145.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 42289009 + 11861136 = 6503^2 + 3444^2 .
It is not a de Polignac number, because 54150145 - 21 = 54150143 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (54150143) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110266 + ... + 110755.
It is an arithmetic number, because the mean of its divisors is an integer number (6299127).
Almost surely, 254150145 is an apocalyptic number.
It is an amenable number.
54150145 is a deficient number, since it is larger than the sum of its proper divisors (21439379).
54150145 is a wasteful number, since it uses less digits than its factorization.
54150145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 221040 (or 221033 counting only the distinct ones).
The product of its (nonzero) digits is 2000, while the sum is 25.
The square root of 54150145 is about 7358.6782101136. The cubic root of 54150145 is about 378.3263071700.
The spelling of 54150145 in words is "fifty-four million, one hundred fifty thousand, one hundred forty-five".
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