Base | Representation |
---|---|
bin | 1100111100110… |
… | …0100010001001 |
3 | 10210012111101001 |
4 | 3033030202021 |
5 | 102401041040 |
6 | 5220055001 |
7 | 1226446123 |
oct | 317144211 |
9 | 123174331 |
10 | 54315145 |
11 | 28728855 |
12 | 16234461 |
13 | b339551 |
14 | 72dc213 |
15 | 4b7d59a |
hex | 33cc889 |
54315145 has 16 divisors (see below), whose sum is σ = 66189312. Its totient is φ = 42784000.
The previous prime is 54315137. The next prime is 54315161. The reversal of 54315145 is 54151345.
It is not a de Polignac number, because 54315145 - 23 = 54315137 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141624 + ... + 142006.
It is an arithmetic number, because the mean of its divisors is an integer number (4136832).
Almost surely, 254315145 is an apocalyptic number.
It is an amenable number.
54315145 is a deficient number, since it is larger than the sum of its proper divisors (11874167).
54315145 is a wasteful number, since it uses less digits than its factorization.
54315145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 752.
The product of its digits is 6000, while the sum is 28.
The square root of 54315145 is about 7369.8809352662. The cubic root of 54315145 is about 378.7101814530.
The spelling of 54315145 in words is "fifty-four million, three hundred fifteen thousand, one hundred forty-five".
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