Base | Representation |
---|---|
bin | 111010010001… |
… | …1100110100000 |
3 | 2010111022221012 |
4 | 1310203212200 |
5 | 30310221103 |
6 | 3010520052 |
7 | 520465154 |
oct | 164434640 |
9 | 63438835 |
10 | 30554528 |
11 | 1627a084 |
12 | a296028 |
13 | 643a504 |
14 | 40b5064 |
15 | 2a382d8 |
hex | 1d239a0 |
30554528 has 12 divisors (see below), whose sum is σ = 60154290. Its totient is φ = 15277248.
The previous prime is 30554521. The next prime is 30554533. The reversal of 30554528 is 82545503.
It can be written as a sum of positive squares in only one way, i.e., 18079504 + 12475024 = 4252^2 + 3532^2 .
It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 954829 = 30554528 / (3 + 0 + 5 + 5 + 4 + 5 + 2 + 8).
It is a junction number, because it is equal to n+sod(n) for n = 30554494 and 30554503.
It is not an unprimeable number, because it can be changed into a prime (30554521) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 477383 + ... + 477446.
Almost surely, 230554528 is an apocalyptic number.
It is an amenable number.
30554528 is a deficient number, since it is larger than the sum of its proper divisors (29599762).
30554528 is an equidigital number, since it uses as much as digits as its factorization.
30554528 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 954839 (or 954831 counting only the distinct ones).
The product of its (nonzero) digits is 24000, while the sum is 32.
The square root of 30554528 is about 5527.6150372471. The cubic root of 30554528 is about 312.6260713724.
The spelling of 30554528 in words is "thirty million, five hundred fifty-four thousand, five hundred twenty-eight".
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