Base | Representation |
---|---|
bin | 111001111000… |
… | …1101000001000 |
3 | 2010002221010212 |
4 | 1303301220020 |
5 | 30232143312 |
6 | 3002300252 |
7 | 515653322 |
oct | 163615010 |
9 | 63087125 |
10 | 30349832 |
11 | 1614a307 |
12 | a1b7688 |
13 | 63982a6 |
14 | 4060612 |
15 | 29e7822 |
hex | 1cf1a08 |
30349832 has 16 divisors (see below), whose sum is σ = 57120000. Its totient is φ = 15117840.
The previous prime is 30349831. The next prime is 30349841. The reversal of 30349832 is 23894303.
It is a happy number.
It is a super-2 number, since 2×303498322 = 1842224604856448, which contains 22 as substring.
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 (30349831) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4832 + ... + 9167.
It is an arithmetic number, because the mean of its divisors is an integer number (3570000).
Almost surely, 230349832 is an apocalyptic number.
It is an amenable number.
30349832 is a deficient number, since it is larger than the sum of its proper divisors (26770168).
30349832 is a wasteful number, since it uses less digits than its factorization.
30349832 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14276 (or 14272 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 32.
The square root of 30349832 is about 5509.0681607691. The cubic root of 30349832 is about 311.9263742555.
The spelling of 30349832 in words is "thirty million, three hundred forty-nine thousand, eight hundred thirty-two".
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