Base | Representation |
---|---|
bin | 1100111001100… |
… | …1111011111111 |
3 | 10202210222002102 |
4 | 3032121323333 |
5 | 102322423103 |
6 | 5211415315 |
7 | 1224623663 |
oct | 316317377 |
9 | 122728072 |
10 | 54107903 |
11 | 285a7083 |
12 | 1615453b |
13 | b296115 |
14 | 72868a3 |
15 | 4b3be88 |
hex | 3399eff |
54107903 has 4 divisors (see below), whose sum is σ = 54586848. Its totient is φ = 53628960.
The previous prime is 54107869. The next prime is 54107909. The reversal of 54107903 is 30970145.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30970145 = 5 ⋅6194029.
It is a cyclic number.
It is not a de Polignac number, because 54107903 - 212 = 54103807 is a prime.
It is a Duffinian number.
It is a plaindrome in base 16.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54107909) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239303 + ... + 239528.
It is an arithmetic number, because the mean of its divisors is an integer number (13646712).
Almost surely, 254107903 is an apocalyptic number.
54107903 is a deficient number, since it is larger than the sum of its proper divisors (478945).
54107903 is a wasteful number, since it uses less digits than its factorization.
54107903 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 478944.
The product of its (nonzero) digits is 3780, while the sum is 29.
The square root of 54107903 is about 7355.8074335861. The cubic root of 54107903 is about 378.2279053573.
The spelling of 54107903 in words is "fifty-four million, one hundred seven thousand, nine hundred three".
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