Base | Representation |
---|---|
bin | 111010001110… |
… | …1000111101110 |
3 | 2010102222112000 |
4 | 1310131013232 |
5 | 30303343412 |
6 | 3010153130 |
7 | 520324602 |
oct | 164350756 |
9 | 63388460 |
10 | 30527982 |
11 | 16261141 |
12 | a2827a6 |
13 | 642b3c4 |
14 | 40a9502 |
15 | 2a304dc |
hex | 1d1d1ee |
30527982 has 16 divisors (see below), whose sum is σ = 67840080. Its totient is φ = 10175976.
The previous prime is 30527977. The next prime is 30527983. The reversal of 30527982 is 28972503.
It is a happy number.
30527982 is a `hidden beast` number, since 305 + 279 + 82 = 666.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30527983) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282613 + ... + 282720.
It is an arithmetic number, because the mean of its divisors is an integer number (4240005).
Almost surely, 230527982 is an apocalyptic number.
30527982 is an abundant number, since it is smaller than the sum of its proper divisors (37312098).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30527982 is a wasteful number, since it uses less digits than its factorization.
30527982 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 565344 (or 565338 counting only the distinct ones).
The product of its (nonzero) digits is 30240, while the sum is 36.
The square root of 30527982 is about 5525.2132990501. The cubic root of 30527982 is about 312.5355078586.
The spelling of 30527982 in words is "thirty million, five hundred twenty-seven thousand, nine hundred eighty-two".
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