Base | Representation |
---|---|
bin | 111010110101… |
… | …0101100000100 |
3 | 2011001010100100 |
4 | 1311222230010 |
5 | 30344030300 |
6 | 3021044100 |
7 | 523120104 |
oct | 165525404 |
9 | 64033310 |
10 | 30845700 |
11 | 16458916 |
12 | a3b6630 |
13 | 650cbc2 |
14 | 414d204 |
15 | 2a94700 |
hex | 1d6ab04 |
30845700 has 54 divisors (see below), whose sum is σ = 96686954. Its totient is φ = 8225280.
The previous prime is 30845693. The next prime is 30845707. The reversal of 30845700 is 754803.
It is an interprime number because it is at equal distance from previous prime (30845693) and next prime (30845707).
It can be written as a sum of positive squares in 3 ways, for example, as 6874884 + 23970816 = 2622^2 + 4896^2 .
It is not an unprimeable number, because it can be changed into a prime (30845707) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 16237 + ... + 18036.
Almost surely, 230845700 is an apocalyptic number.
30845700 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30845700 is an abundant number, since it is smaller than the sum of its proper divisors (65841254).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30845700 is a wasteful number, since it uses less digits than its factorization.
30845700 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34293 (or 34283 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 27.
The square root of 30845700 is about 5553.8905282694. The cubic root of 30845700 is about 313.6159991360.
The spelling of 30845700 in words is "thirty million, eight hundred forty-five thousand, seven hundred".
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