Base | Representation |
---|---|
bin | 111010101001… |
… | …1010111111011 |
3 | 2010212021100102 |
4 | 1311103113323 |
5 | 30333001303 |
6 | 3015030015 |
7 | 522241511 |
oct | 165232773 |
9 | 63767312 |
10 | 30750203 |
11 | 163a30a0 |
12 | a36b30b |
13 | 64a85b3 |
14 | 41264b1 |
15 | 2a76288 |
hex | 1d535fb |
30750203 has 8 divisors (see below), whose sum is σ = 34326336. Its totient is φ = 27304200.
The previous prime is 30750193. The next prime is 30750259. The reversal of 30750203 is 30205703.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-30750203 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30710203) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32033 + ... + 32978.
It is an arithmetic number, because the mean of its divisors is an integer number (4290792).
Almost surely, 230750203 is an apocalyptic number.
30750203 is a deficient number, since it is larger than the sum of its proper divisors (3576133).
30750203 is a wasteful number, since it uses less digits than its factorization.
30750203 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65065.
The product of its (nonzero) digits is 630, while the sum is 20.
The square root of 30750203 is about 5545.2865570681. The cubic root of 30750203 is about 313.2920172121.
Adding to 30750203 its reverse (30205703), we get a palindrome (60955906).
The spelling of 30750203 in words is "thirty million, seven hundred fifty thousand, two hundred three".
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