Base | Representation |
---|---|
bin | 100000101101111… |
… | …010111111111111 |
3 | 1102020212110200000 |
4 | 200231322333333 |
5 | 2111010042210 |
6 | 130245005343 |
7 | 16413435642 |
oct | 4055727777 |
9 | 1366773600 |
10 | 548909055 |
11 | 261932552 |
12 | 1339b3853 |
13 | 8994aa76 |
14 | 52c87a59 |
15 | 332c9ac0 |
hex | 20b7afff |
548909055 has 48 divisors (see below), whose sum is σ = 990173184. Its totient is φ = 291716640.
The previous prime is 548909047. The next prime is 548909059. The reversal of 548909055 is 550909845.
It is not a de Polignac number, because 548909055 - 23 = 548909047 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 548909055.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (548909059) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 445290 + ... + 446520.
It is an arithmetic number, because the mean of its divisors is an integer number (20628608).
Almost surely, 2548909055 is an apocalyptic number.
548909055 is a deficient number, since it is larger than the sum of its proper divisors (441264129).
548909055 is a wasteful number, since it uses less digits than its factorization.
548909055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1618 (or 1606 counting only the distinct ones).
The product of its (nonzero) digits is 324000, while the sum is 45.
The square root of 548909055 is about 23428.8082283329. The cubic root of 548909055 is about 818.7791941885.
The spelling of 548909055 in words is "five hundred forty-eight million, nine hundred nine thousand, fifty-five".
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