Base | Representation |
---|---|
bin | 111010100100… |
… | …0010101110010 |
3 | 2010202222100121 |
4 | 1311020111302 |
5 | 30330030020 |
6 | 3014040454 |
7 | 521662660 |
oct | 165102562 |
9 | 63688317 |
10 | 30705010 |
11 | 16372146 |
12 | a34912a |
13 | 6490b5b |
14 | 4113c30 |
15 | 2a67baa |
hex | 1d48572 |
30705010 has 48 divisors (see below), whose sum is σ = 65279808. Its totient is φ = 10180800.
The previous prime is 30704983. The next prime is 30705013. The reversal of 30705010 is 1050703.
It is an alternating number because its digits alternate between odd and even.
It is not an unprimeable number, because it can be changed into a prime (30705013) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 303960 + ... + 304060.
It is an arithmetic number, because the mean of its divisors is an integer number (1359996).
Almost surely, 230705010 is an apocalyptic number.
30705010 is an abundant number, since it is smaller than the sum of its proper divisors (34574798).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30705010 is a wasteful number, since it uses less digits than its factorization.
30705010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 259 (or 158 counting only the distinct ones).
The product of its (nonzero) digits is 105, while the sum is 16.
The square root of 30705010 is about 5541.2101566355. The cubic root of 30705010 is about 313.1384621498.
Adding to 30705010 its reverse (1050703), we get a palindrome (31755713).
The spelling of 30705010 in words is "thirty million, seven hundred five thousand, ten".
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