Base | Representation |
---|---|
bin | 111011000000… |
… | …1111101000011 |
3 | 2011012222001210 |
4 | 1312001331003 |
5 | 30410102440 |
6 | 3023101203 |
7 | 523664661 |
oct | 166017503 |
9 | 64188053 |
10 | 30940995 |
11 | 16513478 |
12 | a441803 |
13 | 65443a7 |
14 | 4175c31 |
15 | 2ab2a80 |
hex | 1d81f43 |
30940995 has 16 divisors (see below), whose sum is σ = 49674240. Its totient is φ = 16445664.
The previous prime is 30940933. The next prime is 30941011. The reversal of 30940995 is 59904903.
It is a happy number.
It is not a de Polignac number, because 30940995 - 28 = 30940739 is a prime.
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 15 ways as a sum of consecutive naturals, for example, 1246 + ... + 7964.
It is an arithmetic number, because the mean of its divisors is an integer number (3104640).
Almost surely, 230940995 is an apocalyptic number.
30940995 is a deficient number, since it is larger than the sum of its proper divisors (18733245).
30940995 is a wasteful number, since it uses less digits than its factorization.
30940995 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7034.
The product of its (nonzero) digits is 43740, while the sum is 39.
The square root of 30940995 is about 5562.4630335850. The cubic root of 30940995 is about 313.9386298713.
The spelling of 30940995 in words is "thirty million, nine hundred forty thousand, nine hundred ninety-five".
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