Base | Representation |
---|---|
bin | 111010000101… |
… | …1000111000010 |
3 | 2010022020022201 |
4 | 1310023013002 |
5 | 30244013320 |
6 | 3004423414 |
7 | 516566533 |
oct | 164130702 |
9 | 63266281 |
10 | 30454210 |
11 | 16210776 |
12 | a247b6a |
13 | 6403957 |
14 | 408a68a |
15 | 2a1870a |
hex | 1d0b1c2 |
30454210 has 8 divisors (see below), whose sum is σ = 54817596. Its totient is φ = 12181680.
The previous prime is 30454201. The next prime is 30454223. The reversal of 30454210 is 1245403.
It can be written as a sum of positive squares in 2 ways, for example, as 28869129 + 1585081 = 5373^2 + 1259^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1522701 + ... + 1522720.
Almost surely, 230454210 is an apocalyptic number.
30454210 is a deficient number, since it is larger than the sum of its proper divisors (24363386).
30454210 is a wasteful number, since it uses less digits than its factorization.
30454210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3045428.
The product of its (nonzero) digits is 480, while the sum is 19.
The square root of 30454210 is about 5518.5333196421. The cubic root of 30454210 is about 312.2835535843.
Adding to 30454210 its reverse (1245403), we get a palindrome (31699613).
The spelling of 30454210 in words is "thirty million, four hundred fifty-four thousand, two hundred ten".
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