Base | Representation |
---|---|
bin | 100000101010100… |
… | …100111110101100 |
3 | 1102012012221011100 |
4 | 200222210332230 |
5 | 2110244014203 |
6 | 130214123100 |
7 | 16403125116 |
oct | 4052447654 |
9 | 1365187140 |
10 | 548032428 |
11 | 261393969 |
12 | 133650490 |
13 | 89701a58 |
14 | 52ada3b6 |
15 | 331a4ea3 |
hex | 20aa4fac |
548032428 has 36 divisors (see below), whose sum is σ = 1458216760. Its totient is φ = 173062656.
The previous prime is 548032427. The next prime is 548032531. The reversal of 548032428 is 824230845.
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 548032392 and 548032401.
It is not an unprimeable number, because it can be changed into a prime (548032423) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 399925 + ... + 401292.
Almost surely, 2548032428 is an apocalyptic number.
It is an amenable number.
548032428 is an abundant number, since it is smaller than the sum of its proper divisors (910184332).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
548032428 is a wasteful number, since it uses less digits than its factorization.
548032428 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 801246 (or 801241 counting only the distinct ones).
The product of its (nonzero) digits is 61440, while the sum is 36.
The square root of 548032428 is about 23410.0924389461. The cubic root of 548032428 is about 818.3430889239.
The spelling of 548032428 in words is "five hundred forty-eight million, thirty-two thousand, four hundred twenty-eight".
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