Base | Representation |
---|---|
bin | 111001110010… |
… | …0110010111011 |
3 | 2010000021001022 |
4 | 1303210302323 |
5 | 30224003100 |
6 | 3001213055 |
7 | 515344151 |
oct | 163446273 |
9 | 63007038 |
10 | 30297275 |
11 | 16113878 |
12 | a19118b |
13 | 637a3a8 |
14 | 40493d1 |
15 | 29d6e85 |
hex | 1ce4cbb |
30297275 has 12 divisors (see below), whose sum is σ = 37696992. Its totient is φ = 24155040.
The previous prime is 30297269. The next prime is 30297277. The reversal of 30297275 is 57279203.
It is not a de Polignac number, because 30297275 - 28 = 30297019 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30297277) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6014 + ... + 9836.
It is an arithmetic number, because the mean of its divisors is an integer number (3141416).
Almost surely, 230297275 is an apocalyptic number.
30297275 is a deficient number, since it is larger than the sum of its proper divisors (7399717).
30297275 is a wasteful number, since it uses less digits than its factorization.
30297275 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4150 (or 4145 counting only the distinct ones).
The product of its (nonzero) digits is 26460, while the sum is 35.
The square root of 30297275 is about 5504.2960494508. The cubic root of 30297275 is about 311.7462152493.
The spelling of 30297275 in words is "thirty million, two hundred ninety-seven thousand, two hundred seventy-five".
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