Base | Representation |
---|---|
bin | 111010010001… |
… | …1101111100010 |
3 | 2010111100201121 |
4 | 1310203233202 |
5 | 30310230411 |
6 | 3010522454 |
7 | 520466641 |
oct | 164435742 |
9 | 63440647 |
10 | 30555106 |
11 | 1627a55a |
12 | a29642a |
13 | 643a85a |
14 | 40b5358 |
15 | 2a38571 |
hex | 1d23be2 |
30555106 has 8 divisors (see below), whose sum is σ = 45858780. Its totient is φ = 15268848.
The previous prime is 30555101. The next prime is 30555131. The reversal of 30555106 is 60155503.
It can be written as a sum of positive squares in 2 ways, for example, as 29604481 + 950625 = 5441^2 + 975^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×305551062 = 1867229005342472, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30555101) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1740 + ... + 8008.
Almost surely, 230555106 is an apocalyptic number.
30555106 is a deficient number, since it is larger than the sum of its proper divisors (15303674).
30555106 is a wasteful number, since it uses less digits than its factorization.
30555106 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8708.
The product of its (nonzero) digits is 2250, while the sum is 25.
The square root of 30555106 is about 5527.6673199461. The cubic root of 30555106 is about 312.6280426757.
The spelling of 30555106 in words is "thirty million, five hundred fifty-five thousand, one hundred six".
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