Base | Representation |
---|---|
bin | 111010001100… |
… | …0100000110110 |
3 | 2010102000122001 |
4 | 1310120200312 |
5 | 30302242420 |
6 | 3005525514 |
7 | 520215562 |
oct | 164304066 |
9 | 63360561 |
10 | 30509110 |
11 | 16248a45 |
12 | a27389a |
13 | 6422938 |
14 | 40a26a2 |
15 | 2a29b0a |
hex | 1d18836 |
30509110 has 32 divisors (see below), whose sum is σ = 56609280. Its totient is φ = 11832672.
The previous prime is 30509107. The next prime is 30509137. The reversal of 30509110 is 1190503.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 65097 + ... + 65563.
It is an arithmetic number, because the mean of its divisors is an integer number (1769040).
Almost surely, 230509110 is an apocalyptic number.
30509110 is a deficient number, since it is larger than the sum of its proper divisors (26100170).
30509110 is a wasteful number, since it uses less digits than its factorization.
30509110 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 660.
The product of its (nonzero) digits is 135, while the sum is 19.
The square root of 30509110 is about 5523.5052276611. The cubic root of 30509110 is about 312.4710927927.
Adding to 30509110 its reverse (1190503), we get a palindrome (31699613).
The spelling of 30509110 in words is "thirty million, five hundred nine thousand, one hundred ten".
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