Base | Representation |
---|---|
bin | 1101000000011… |
… | …0011110011110 |
3 | 10210122112221011 |
4 | 3100012132132 |
5 | 102431134403 |
6 | 5225125434 |
7 | 1231455061 |
oct | 320063636 |
9 | 123575834 |
10 | 54552478 |
11 | 288800a2 |
12 | 1632987a |
13 | b3c0596 |
14 | 73608d8 |
15 | 4bc8a6d |
hex | 340679e |
54552478 has 4 divisors (see below), whose sum is σ = 81828720. Its totient is φ = 27276238.
The previous prime is 54552419. The next prime is 54552503. The reversal of 54552478 is 87425545.
54552478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 87425545 = 5 ⋅17485109.
It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a self number, because there is not a number n which added to its sum of digits gives 54552478.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13638118 + ... + 13638121.
It is an arithmetic number, because the mean of its divisors is an integer number (20457180).
Almost surely, 254552478 is an apocalyptic number.
54552478 is a deficient number, since it is larger than the sum of its proper divisors (27276242).
54552478 is a wasteful number, since it uses less digits than its factorization.
54552478 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27276241.
The product of its digits is 224000, while the sum is 40.
The square root of 54552478 is about 7385.9649335750. The cubic root of 54552478 is about 379.2609782758.
The spelling of 54552478 in words is "fifty-four million, five hundred fifty-two thousand, four hundred seventy-eight".
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