Base | Representation |
---|---|
bin | 111010001111… |
… | …1111111011101 |
3 | 2010110120122112 |
4 | 1310133333131 |
5 | 30304232431 |
6 | 3010323405 |
7 | 520404101 |
oct | 164377735 |
9 | 63416575 |
10 | 30539741 |
11 | 16269a61 |
12 | a289565 |
13 | 643386b |
14 | 40ad901 |
15 | 2a33c2b |
hex | 1d1ffdd |
30539741 has 8 divisors (see below), whose sum is σ = 31102080. Its totient is φ = 29981952.
The previous prime is 30539737. The next prime is 30539749. The reversal of 30539741 is 14793503.
It is a happy number.
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 30539741 - 22 = 30539737 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30539698 and 30539707.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30539749) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14246 + ... + 16248.
It is an arithmetic number, because the mean of its divisors is an integer number (3887760).
Almost surely, 230539741 is an apocalyptic number.
It is an amenable number.
30539741 is a deficient number, since it is larger than the sum of its proper divisors (562339).
30539741 is a wasteful number, since it uses less digits than its factorization.
30539741 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2275.
The product of its (nonzero) digits is 11340, while the sum is 32.
The square root of 30539741 is about 5526.2773184125. The cubic root of 30539741 is about 312.5756309744.
The spelling of 30539741 in words is "thirty million, five hundred thirty-nine thousand, seven hundred forty-one".
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