Base | Representation |
---|---|
bin | 1101000101100… |
… | …0010110111100 |
3 | 10211021121000000 |
4 | 3101120112330 |
5 | 103022402433 |
6 | 5240234300 |
7 | 1234352640 |
oct | 321302674 |
9 | 124247000 |
10 | 54887868 |
11 | 28a8a082 |
12 | 1646b990 |
13 | b4aa139 |
14 | 740ac20 |
15 | 4c43113 |
hex | 34585bc |
54887868 has 84 divisors (see below), whose sum is σ = 164649520. Its totient is φ = 15676416.
The previous prime is 54887851. The next prime is 54887873. The reversal of 54887868 is 86878845.
54887868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (84).
It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (54).
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 in 27 ways as a sum of consecutive naturals, for example, 19068 + ... + 21756.
Almost surely, 254887868 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 54887868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82324760).
54887868 is an abundant number, since it is smaller than the sum of its proper divisors (109761652).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54887868 is a wasteful number, since it uses less digits than its factorization.
54887868 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2718 (or 2701 counting only the distinct ones).
The product of its digits is 3440640, while the sum is 54.
The square root of 54887868 is about 7408.6346920333. The cubic root of 54887868 is about 380.0366262019.
It can be divided in two parts, 54887 and 868, that added together give a palindrome (55755).
The spelling of 54887868 in words is "fifty-four million, eight hundred eighty-seven thousand, eight hundred sixty-eight".
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