Base | Representation |
---|---|
bin | 1101001100011… |
… | …1001101100000 |
3 | 10212010122211202 |
4 | 3103013031200 |
5 | 103131420140 |
6 | 5254100332 |
7 | 1241253464 |
oct | 323071540 |
9 | 125118752 |
10 | 55341920 |
11 | 2926a227 |
12 | 1664a6a8 |
13 | b6089ca |
14 | 74c84a4 |
15 | 4cd2915 |
hex | 34c7360 |
55341920 has 24 divisors (see below), whose sum is σ = 130745664. Its totient is φ = 22136704.
The previous prime is 55341907. The next prime is 55341929. The reversal of 55341920 is 2914355.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (55341929) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172784 + ... + 173103.
It is an arithmetic number, because the mean of its divisors is an integer number (5447736).
Almost surely, 255341920 is an apocalyptic number.
It is an amenable number.
55341920 is an abundant number, since it is smaller than the sum of its proper divisors (75403744).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
55341920 is a wasteful number, since it uses less digits than its factorization.
55341920 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 345902 (or 345894 counting only the distinct ones).
The product of its (nonzero) digits is 5400, while the sum is 29.
The square root of 55341920 is about 7439.2150123518. The cubic root of 55341920 is about 381.0816825762.
The spelling of 55341920 in words is "fifty-five million, three hundred forty-one thousand, nine hundred twenty".
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