Base | Representation |
---|---|
bin | 111010010010… |
… | …1111101101110 |
3 | 2010111211012122 |
4 | 1310211331232 |
5 | 30311023311 |
6 | 3011032542 |
7 | 520535321 |
oct | 164457556 |
9 | 63454178 |
10 | 30564206 |
11 | 16286382 |
12 | a29b752 |
13 | 6441a3a |
14 | 40b87b8 |
15 | 2a3b0db |
hex | 1d25f6e |
30564206 has 4 divisors (see below), whose sum is σ = 45846312. Its totient is φ = 15282102.
The previous prime is 30564187. The next prime is 30564223. The reversal of 30564206 is 60246503.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60246503 = 89 ⋅676927.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7641050 + ... + 7641053.
It is an arithmetic number, because the mean of its divisors is an integer number (11461578).
Almost surely, 230564206 is an apocalyptic number.
30564206 is a deficient number, since it is larger than the sum of its proper divisors (15282106).
30564206 is a wasteful number, since it uses less digits than its factorization.
30564206 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15282105.
The product of its (nonzero) digits is 4320, while the sum is 26.
The square root of 30564206 is about 5528.4903906944. The cubic root of 30564206 is about 312.6590754902.
The spelling of 30564206 in words is "thirty million, five hundred sixty-four thousand, two hundred six".
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