Base | Representation |
---|---|
bin | 111010001011… |
… | …0011100010110 |
3 | 2010101120222222 |
4 | 1310112130112 |
5 | 30302010010 |
6 | 3005422342 |
7 | 520152056 |
oct | 164263426 |
9 | 63346888 |
10 | 30500630 |
11 | 16242636 |
12 | a26a9b2 |
13 | 641bb14 |
14 | 409d566 |
15 | 2a27355 |
hex | 1d16716 |
30500630 has 16 divisors (see below), whose sum is σ = 54980640. Its totient is φ = 12182592.
The previous prime is 30500627. The next prime is 30500689. The reversal of 30500630 is 3600503.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 30500599 and 30500608.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6791 + ... + 10349.
It is an arithmetic number, because the mean of its divisors is an integer number (3436290).
Almost surely, 230500630 is an apocalyptic number.
30500630 is a deficient number, since it is larger than the sum of its proper divisors (24480010).
30500630 is a wasteful number, since it uses less digits than its factorization.
30500630 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4423.
The product of its (nonzero) digits is 270, while the sum is 17.
The square root of 30500630 is about 5522.7375458191. The cubic root of 30500630 is about 312.4421396877.
The spelling of 30500630 in words is "thirty million, five hundred thousand, six hundred thirty".
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