Base | Representation |
---|---|
bin | 1100111010110… |
… | …1100101110001 |
3 | 10202222001111211 |
4 | 3032231211301 |
5 | 102333012101 |
6 | 5213240121 |
7 | 1225410451 |
oct | 316554561 |
9 | 122861454 |
10 | 54188401 |
11 | 28651603 |
12 | 16193041 |
13 | b2c3957 |
14 | 72a7d61 |
15 | 4b55c51 |
hex | 33ad971 |
54188401 has 4 divisors (see below), whose sum is σ = 57375972. Its totient is φ = 51000832.
The previous prime is 54188389. The next prime is 54188413. The reversal of 54188401 is 10488145.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10488145 = 5 ⋅2097629.
It is an interprime number because it is at equal distance from previous prime (54188389) and next prime (54188413).
It can be written as a sum of positive squares in 2 ways, for example, as 49561600 + 4626801 = 7040^2 + 2151^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-54188401 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (54188441) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1593760 + ... + 1593793.
It is an arithmetic number, because the mean of its divisors is an integer number (14343993).
Almost surely, 254188401 is an apocalyptic number.
It is an amenable number.
54188401 is a deficient number, since it is larger than the sum of its proper divisors (3187571).
54188401 is a wasteful number, since it uses less digits than its factorization.
54188401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3187570.
The product of its (nonzero) digits is 5120, while the sum is 31.
The square root of 54188401 is about 7361.2771310419. The cubic root of 54188401 is about 378.4153795335.
The spelling of 54188401 in words is "fifty-four million, one hundred eighty-eight thousand, four hundred one".
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