Base | Representation |
---|---|
bin | 111010111011… |
… | …0110011100000 |
3 | 2011010122102102 |
4 | 1311312303200 |
5 | 30402122303 |
6 | 3022105532 |
7 | 523414562 |
oct | 165666340 |
9 | 64118372 |
10 | 30895328 |
11 | 16492132 |
12 | a41b2a8 |
13 | 6529679 |
14 | 4163332 |
15 | 2aa4288 |
hex | 1d76ce0 |
30895328 has 24 divisors (see below), whose sum is σ = 62242488. Its totient is φ = 15087744.
The previous prime is 30895327. The next prime is 30895331. The reversal of 30895328 is 82359803.
It is a super-4 number, since 4×308953284 (a number of 31 digits) contains 4444 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30895291 and 30895300.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30895321) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9851 + ... + 12602.
It is an arithmetic number, because the mean of its divisors is an integer number (2593437).
Almost surely, 230895328 is an apocalyptic number.
It is an amenable number.
30895328 is an abundant number, since it is smaller than the sum of its proper divisors (31347160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30895328 is a wasteful number, since it uses less digits than its factorization.
30895328 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22506 (or 22498 counting only the distinct ones).
The product of its (nonzero) digits is 51840, while the sum is 38.
The square root of 30895328 is about 5558.3565916555. The cubic root of 30895328 is about 313.7841024714.
The spelling of 30895328 in words is "thirty million, eight hundred ninety-five thousand, three hundred twenty-eight".
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