Base | Representation |
---|---|
bin | 111001101010… |
… | …1100101110001 |
3 | 2002220002121120 |
4 | 1303111211301 |
5 | 30220004433 |
6 | 3000012453 |
7 | 514664445 |
oct | 163254561 |
9 | 62802546 |
10 | 30234993 |
11 | 16080aa8 |
12 | a161129 |
13 | 6357c39 |
14 | 4030825 |
15 | 29c37b3 |
hex | 1cd5971 |
30234993 has 8 divisors (see below), whose sum is σ = 42684768. Its totient is φ = 18970944.
The previous prime is 30234983. The next prime is 30235001. The reversal of 30234993 is 39943203.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30234993 - 25 = 30234961 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30234913) 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, 296371 + ... + 296472.
It is an arithmetic number, because the mean of its divisors is an integer number (5335596).
Almost surely, 230234993 is an apocalyptic number.
It is an amenable number.
30234993 is a deficient number, since it is larger than the sum of its proper divisors (12449775).
30234993 is a wasteful number, since it uses less digits than its factorization.
30234993 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 592863.
The product of its (nonzero) digits is 17496, while the sum is 33.
The square root of 30234993 is about 5498.6355580271. The cubic root of 30234993 is about 311.5324501765.
The spelling of 30234993 in words is "thirty million, two hundred thirty-four thousand, nine hundred ninety-three".
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