Base | Representation |
---|---|
bin | 1101000101001… |
… | …1100011111100 |
3 | 10211020121001022 |
4 | 3101103203330 |
5 | 103021240340 |
6 | 5240003312 |
7 | 1234241441 |
oct | 321234374 |
9 | 124217038 |
10 | 54868220 |
11 | 28a76340 |
12 | 16460538 |
13 | b4a1204 |
14 | 74039c8 |
15 | 4c3c3b5 |
hex | 34538fc |
54868220 has 48 divisors (see below), whose sum is σ = 126203616. Its totient is φ = 19872000.
The previous prime is 54868217. The next prime is 54868237. The reversal of 54868220 is 2286845.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101150 + ... + 101690.
It is an arithmetic number, because the mean of its divisors is an integer number (2629242).
Almost surely, 254868220 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 54868220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63101808).
54868220 is an abundant number, since it is smaller than the sum of its proper divisors (71335396).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54868220 is a wasteful number, since it uses less digits than its factorization.
54868220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1022 (or 1020 counting only the distinct ones).
The product of its (nonzero) digits is 30720, while the sum is 35.
The square root of 54868220 is about 7407.3085530441. The cubic root of 54868220 is about 379.9912740379.
The spelling of 54868220 in words is "fifty-four million, eight hundred sixty-eight thousand, two hundred twenty".
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