Base | Representation |
---|---|
bin | 111010100010… |
… | …1011101010010 |
3 | 2010202101011021 |
4 | 1311011131102 |
5 | 30324140302 |
6 | 3013510054 |
7 | 521613361 |
oct | 165053522 |
9 | 63671137 |
10 | 30693202 |
11 | 16364291 |
12 | a34232a |
13 | 6488677 |
14 | 410d7d8 |
15 | 2a64437 |
hex | 1d45752 |
30693202 has 8 divisors (see below), whose sum is σ = 47284236. Its totient is φ = 14931792.
The previous prime is 30693199. The next prime is 30693203. The reversal of 30693202 is 20239603.
It can be written as a sum of positive squares in 2 ways, for example, as 26925721 + 3767481 = 5189^2 + 1941^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (30693203) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 207313 + ... + 207460.
Almost surely, 230693202 is an apocalyptic number.
30693202 is a deficient number, since it is larger than the sum of its proper divisors (16591034).
30693202 is a wasteful number, since it uses less digits than its factorization.
30693202 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 414812.
The product of its (nonzero) digits is 1944, while the sum is 25.
The square root of 30693202 is about 5540.1445829509. The cubic root of 30693202 is about 313.0983165510.
The spelling of 30693202 in words is "thirty million, six hundred ninety-three thousand, two hundred two".
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