Base | Representation |
---|---|
bin | 111010101100… |
… | …1001111001111 |
3 | 2010220111022001 |
4 | 1311121033033 |
5 | 30334233343 |
6 | 3015333131 |
7 | 522401524 |
oct | 165311717 |
9 | 63814261 |
10 | 30774223 |
11 | 1640a147 |
12 | a3811a7 |
13 | 64b64cc |
14 | 413114b |
15 | 2a7d44d |
hex | 1d593cf |
30774223 has 8 divisors (see below), whose sum is σ = 31449600. Its totient is φ = 30104088.
The previous prime is 30774209. The next prime is 30774229. The reversal of 30774223 is 32247703.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30774223 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30774191 and 30774200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30774229) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11988 + ... + 14326.
It is an arithmetic number, because the mean of its divisors is an integer number (3931200).
Almost surely, 230774223 is an apocalyptic number.
30774223 is a deficient number, since it is larger than the sum of its proper divisors (675377).
30774223 is a wasteful number, since it uses less digits than its factorization.
30774223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2621.
The product of its (nonzero) digits is 7056, while the sum is 28.
The square root of 30774223 is about 5547.4519376016. The cubic root of 30774223 is about 313.3735702314.
The spelling of 30774223 in words is "thirty million, seven hundred seventy-four thousand, two hundred twenty-three".
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