Base | Representation |
---|---|
bin | 1100111011010… |
… | …1100010001000 |
3 | 10210000201010211 |
4 | 3032311202020 |
5 | 102340032221 |
6 | 5214050504 |
7 | 1225604350 |
oct | 316654210 |
9 | 123021124 |
10 | 54220936 |
11 | 28673aa0 |
12 | 161a9a34 |
13 | b3056c3 |
14 | 72b5b60 |
15 | 4b606e1 |
hex | 33b5888 |
54220936 has 128 divisors (see below), whose sum is σ = 136857600. Its totient is φ = 19514880.
The previous prime is 54220931. The next prime is 54220937. The reversal of 54220936 is 63902245.
It is a junction number, because it is equal to n+sod(n) for n = 54220898 and 54220907.
It is not an unprimeable number, because it can be changed into a prime (54220931) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 609180 + ... + 609268.
It is an arithmetic number, because the mean of its divisors is an integer number (1069200).
Almost surely, 254220936 is an apocalyptic number.
54220936 is a gapful number since it is divisible by the number (56) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 54220936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68428800).
54220936 is an abundant number, since it is smaller than the sum of its proper divisors (82636664).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54220936 is a wasteful number, since it uses less digits than its factorization.
54220936 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 179 (or 175 counting only the distinct ones).
The product of its (nonzero) digits is 12960, while the sum is 31.
The square root of 54220936 is about 7363.4866741239. The cubic root of 54220936 is about 378.4910985740.
It can be divided in two parts, 542209 and 36, that added together give a palindrome (542245).
The spelling of 54220936 in words is "fifty-four million, two hundred twenty thousand, nine hundred thirty-six".
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