Base | Representation |
---|---|
bin | 1100111100101… |
… | …0000101111001 |
3 | 10210011222122200 |
4 | 3033022011321 |
5 | 102400231040 |
6 | 5215540413 |
7 | 1226405016 |
oct | 317120571 |
9 | 123158580 |
10 | 54305145 |
11 | 28721294 |
12 | 1622a709 |
13 | b334b2b |
14 | 72d870d |
15 | 4b7a630 |
hex | 33ca179 |
54305145 has 12 divisors (see below), whose sum is σ = 94128996. Its totient is φ = 28962720.
The previous prime is 54305129. The next prime is 54305179. The reversal of 54305145 is 54150345.
It can be written as a sum of positive squares in 2 ways, for example, as 8173881 + 46131264 = 2859^2 + 6792^2 .
It is not a de Polignac number, because 54305145 - 24 = 54305129 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 603346 + ... + 603435.
It is an arithmetic number, because the mean of its divisors is an integer number (7844083).
Almost surely, 254305145 is an apocalyptic number.
It is an amenable number.
54305145 is a deficient number, since it is larger than the sum of its proper divisors (39823851).
54305145 is a wasteful number, since it uses less digits than its factorization.
54305145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1206792 (or 1206789 counting only the distinct ones).
The product of its (nonzero) digits is 6000, while the sum is 27.
The square root of 54305145 is about 7369.2024670245. The cubic root of 54305145 is about 378.6869384928.
The spelling of 54305145 in words is "fifty-four million, three hundred five thousand, one hundred forty-five".
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