Base | Representation |
---|---|
bin | 111010101011… |
… | …1110100110011 |
3 | 2010220012100200 |
4 | 1311113310303 |
5 | 30334042220 |
6 | 3015250243 |
7 | 522345615 |
oct | 165276463 |
9 | 63805320 |
10 | 30768435 |
11 | 16405865 |
12 | a379983 |
13 | 64b3999 |
14 | 412cdb5 |
15 | 2a7b890 |
hex | 1d57d33 |
30768435 has 24 divisors (see below), whose sum is σ = 54575664. Its totient is φ = 16027200.
The previous prime is 30768433. The next prime is 30768443. The reversal of 30768435 is 53486703.
It is a happy number.
It is not a de Polignac number, because 30768435 - 21 = 30768433 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 30768435.
It is not an unprimeable number, because it can be changed into a prime (30768433) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6016 + ... + 9885.
It is an arithmetic number, because the mean of its divisors is an integer number (2273986).
Almost surely, 230768435 is an apocalyptic number.
30768435 is a deficient number, since it is larger than the sum of its proper divisors (23807229).
30768435 is a wasteful number, since it uses less digits than its factorization.
30768435 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15955 (or 15952 counting only the distinct ones).
The product of its (nonzero) digits is 60480, while the sum is 36.
The square root of 30768435 is about 5546.9302321194. The cubic root of 30768435 is about 313.3539226197.
It can be divided in two parts, 3076 and 8435, that added together give a palindrome (11511).
The spelling of 30768435 in words is "thirty million, seven hundred sixty-eight thousand, four hundred thirty-five".
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