Base | Representation |
---|---|
bin | 111010100011… |
… | …0010010110101 |
3 | 2010202112212012 |
4 | 1311012102311 |
5 | 30324243004 |
6 | 3013534005 |
7 | 521626355 |
oct | 165062265 |
9 | 63675765 |
10 | 30696629 |
11 | 16366917 |
12 | a344305 |
13 | 648a0b2 |
14 | 4110b65 |
15 | 2a6546e |
hex | 1d464b5 |
30696629 has 4 divisors (see below), whose sum is σ = 30716076. Its totient is φ = 30677184.
The previous prime is 30696613. The next prime is 30696641. The reversal of 30696629 is 92669603.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 22344529 + 8352100 = 4727^2 + 2890^2 .
It is a cyclic number.
It is not a de Polignac number, because 30696629 - 24 = 30696613 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30690629) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7124 + ... + 10589.
It is an arithmetic number, because the mean of its divisors is an integer number (7679019).
Almost surely, 230696629 is an apocalyptic number.
It is an amenable number.
30696629 is a deficient number, since it is larger than the sum of its proper divisors (19447).
30696629 is a wasteful number, since it uses less digits than its factorization.
30696629 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19446.
The product of its (nonzero) digits is 104976, while the sum is 41.
The square root of 30696629 is about 5540.4538622752. The cubic root of 30696629 is about 313.1099689466.
The spelling of 30696629 in words is "thirty million, six hundred ninety-six thousand, six hundred twenty-nine".
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