Base | Representation |
---|---|
bin | 1100110111111… |
… | …1101100000011 |
3 | 10202121111121100 |
4 | 3031333230003 |
5 | 102311003022 |
6 | 5205225443 |
7 | 1223665350 |
oct | 315775403 |
9 | 122544540 |
10 | 54000387 |
11 | 28533321 |
12 | 16102283 |
13 | b2591bc |
14 | 7259627 |
15 | 4b1a1ac |
hex | 337fb03 |
54000387 has 24 divisors (see below), whose sum is σ = 89363456. Its totient is φ = 30781296.
The previous prime is 54000383. The next prime is 54000461. The reversal of 54000387 is 78300045.
It is not a de Polignac number, because 54000387 - 22 = 54000383 is a prime.
It is a super-2 number, since 2×540003872 = 5832083592299538, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 54000387.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54000383) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33678 + ... + 35244.
Almost surely, 254000387 is an apocalyptic number.
54000387 is a deficient number, since it is larger than the sum of its proper divisors (35363069).
54000387 is a wasteful number, since it uses less digits than its factorization.
54000387 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2127 (or 2124 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 27.
The square root of 54000387 is about 7348.4955603171. The cubic root of 54000387 is about 377.9772179097.
It can be divided in two parts, 5400038 and 7, that added together give a palindrome (5400045).
The spelling of 54000387 in words is "fifty-four million, three hundred eighty-seven", and thus it is an aban number.
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