Base | Representation |
---|---|
bin | 111010011010… |
… | …0110101111100 |
3 | 2010121220210202 |
4 | 1310310311330 |
5 | 30320001043 |
6 | 3012223032 |
7 | 521211101 |
oct | 164646574 |
9 | 63556722 |
10 | 30625148 |
11 | 16318144 |
12 | a30aa78 |
13 | 64636b8 |
14 | 40d2aa8 |
15 | 2a4e1b8 |
hex | 1d34d7c |
30625148 has 24 divisors (see below), whose sum is σ = 55595904. Its totient is φ = 14760960.
The previous prime is 30625141. The next prime is 30625151. The reversal of 30625148 is 84152603.
It is a self number, because there is not a number n which added to its sum of digits gives 30625148.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30625141) 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, 119036 + ... + 119292.
It is an arithmetic number, because the mean of its divisors is an integer number (2316496).
Almost surely, 230625148 is an apocalyptic number.
It is an amenable number.
30625148 is a deficient number, since it is larger than the sum of its proper divisors (24970756).
30625148 is an equidigital number, since it uses as much as digits as its factorization.
30625148 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 354 (or 290 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 29.
The square root of 30625148 is about 5533.9992771955. Note that the first 3 decimals coincide. The cubic root of 30625148 is about 312.8667412743.
The spelling of 30625148 in words is "thirty million, six hundred twenty-five thousand, one hundred forty-eight".
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