Base | Representation |
---|---|
bin | 1100111000101… |
… | …0101100001111 |
3 | 10202200210102112 |
4 | 3032022230033 |
5 | 102313423310 |
6 | 5210214235 |
7 | 1224243632 |
oct | 316125417 |
9 | 122623375 |
10 | 54045455 |
11 | 28564172 |
12 | 1612437b |
13 | b273879 |
14 | 726bc19 |
15 | 4b28705 |
hex | 338ab0f |
54045455 has 8 divisors (see below), whose sum is σ = 65125104. Its totient is φ = 43056000.
The previous prime is 54045449. The next prime is 54045457. The reversal of 54045455 is 55454045.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 54045455 - 26 = 54045391 is a prime.
It is a super-2 number, since 2×540454552 = 5841822412314050, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54045457) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21221 + ... + 23630.
It is an arithmetic number, because the mean of its divisors is an integer number (8140638).
Almost surely, 254045455 is an apocalyptic number.
54045455 is a deficient number, since it is larger than the sum of its proper divisors (11079649).
54045455 is a wasteful number, since it uses less digits than its factorization.
54045455 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45097.
The product of its (nonzero) digits is 40000, while the sum is 32.
The square root of 54045455 is about 7351.5613987778. The cubic root of 54045455 is about 378.0823402457.
The spelling of 54045455 in words is "fifty-four million, forty-five thousand, four hundred fifty-five".
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