Base | Representation |
---|---|
bin | 1100111010100… |
… | …1000011011100 |
3 | 10202221010000122 |
4 | 3032221003130 |
5 | 102331413240 |
6 | 5213014112 |
7 | 1225302335 |
oct | 316510334 |
9 | 122833018 |
10 | 54169820 |
11 | 28639651 |
12 | 16184338 |
13 | b2b8363 |
14 | 72a128c |
15 | 4b504b5 |
hex | 33a90dc |
54169820 has 48 divisors (see below), whose sum is σ = 121655520. Its totient is φ = 20189184.
The previous prime is 54169799. The next prime is 54169849. The reversal of 54169820 is 2896145.
54169820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 15 ways as a sum of consecutive naturals, for example, 35636 + ... + 37124.
It is an arithmetic number, because the mean of its divisors is an integer number (2534490).
Almost surely, 254169820 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 54169820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60827760).
54169820 is an abundant number, since it is smaller than the sum of its proper divisors (67485700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54169820 is a wasteful number, since it uses less digits than its factorization.
54169820 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1622 (or 1620 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 35.
The square root of 54169820 is about 7360.0149456370. The cubic root of 54169820 is about 378.3721221828.
The spelling of 54169820 in words is "fifty-four million, one hundred sixty-nine thousand, eight hundred twenty".
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