Base | Representation |
---|---|
bin | 111001111000… |
… | …1010100111101 |
3 | 2010002212110102 |
4 | 1303301110331 |
5 | 30232123410 |
6 | 3002250445 |
7 | 515646620 |
oct | 163612475 |
9 | 63085412 |
10 | 30348605 |
11 | 161493a1 |
12 | a1b6a25 |
13 | 6397871 |
14 | 405ddb7 |
15 | 29e72a5 |
hex | 1cf153d |
30348605 has 32 divisors (see below), whose sum is σ = 44789760. Its totient is φ = 19275840.
The previous prime is 30348557. The next prime is 30348607. The reversal of 30348605 is 50684303.
It is not a de Polignac number, because 30348605 - 26 = 30348541 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30348607) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30770 + ... + 31740.
It is an arithmetic number, because the mean of its divisors is an integer number (1399680).
Almost surely, 230348605 is an apocalyptic number.
30348605 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
30348605 is a deficient number, since it is larger than the sum of its proper divisors (14441155).
30348605 is a wasteful number, since it uses less digits than its factorization.
30348605 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1049.
The product of its (nonzero) digits is 8640, while the sum is 29.
The square root of 30348605 is about 5508.9567977976. The cubic root of 30348605 is about 311.9221706208.
The spelling of 30348605 in words is "thirty million, three hundred forty-eight thousand, six hundred five".
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