Base | Representation |
---|---|
bin | 111010011011… |
… | …0000111001111 |
3 | 2010122011221110 |
4 | 1310312013033 |
5 | 30320132401 |
6 | 3012303103 |
7 | 521232213 |
oct | 164660717 |
9 | 63564843 |
10 | 30630351 |
11 | 16321044 |
12 | a311a93 |
13 | 6465b8b |
14 | 40d4943 |
15 | 2a509d6 |
hex | 1d361cf |
30630351 has 8 divisors (see below), whose sum is σ = 42248880. Its totient is φ = 19716032.
The previous prime is 30630307. The next prime is 30630361. The reversal of 30630351 is 15303603.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30630351 - 26 = 30630287 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30630361) 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, 175950 + ... + 176123.
It is an arithmetic number, because the mean of its divisors is an integer number (5281110).
Almost surely, 230630351 is an apocalyptic number.
30630351 is a deficient number, since it is larger than the sum of its proper divisors (11618529).
30630351 is a wasteful number, since it uses less digits than its factorization.
30630351 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 352105.
The product of its (nonzero) digits is 810, while the sum is 21.
The square root of 30630351 is about 5534.4693512567. The cubic root of 30630351 is about 312.8844582333.
Adding to 30630351 its reverse (15303603), we get a palindrome (45933954).
The spelling of 30630351 in words is "thirty million, six hundred thirty thousand, three hundred fifty-one".
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