Base | Representation |
---|---|
bin | 111001101010… |
… | …0110001100000 |
3 | 2002212221000200 |
4 | 1303110301200 |
5 | 30214403043 |
6 | 2555545200 |
7 | 514651626 |
oct | 163246140 |
9 | 62787020 |
10 | 30231648 |
11 | 16079537 |
12 | a15b200 |
13 | 6356565 |
14 | 402d516 |
15 | 29c27d3 |
hex | 1cd4c60 |
30231648 has 36 divisors (see below), whose sum is σ = 85972068. Its totient is φ = 10077120.
The previous prime is 30231613. The next prime is 30231667. The reversal of 30231648 is 84613203.
It is a happy number.
30231648 is a `hidden beast` number, since 302 + 316 + 48 = 666.
It is a tau number, because it is divible by the number of its divisors (36).
It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
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 in 5 ways as a sum of consecutive naturals, for example, 52198 + ... + 52773.
It is an arithmetic number, because the mean of its divisors is an integer number (2388113).
Almost surely, 230231648 is an apocalyptic number.
It is an amenable number.
30231648 is an abundant number, since it is smaller than the sum of its proper divisors (55740420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30231648 is a wasteful number, since it uses less digits than its factorization.
30231648 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 104987 (or 104976 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 27.
The square root of 30231648 is about 5498.3313832471. The cubic root of 30231648 is about 311.5209611217.
The spelling of 30231648 in words is "thirty million, two hundred thirty-one thousand, six hundred forty-eight".
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