Base | Representation |
---|---|
bin | 111001111100… |
… | …1110110000110 |
3 | 2010011122022121 |
4 | 1303321312012 |
5 | 30234232434 |
6 | 3003120154 |
7 | 516153421 |
oct | 163716606 |
9 | 63148277 |
10 | 30383494 |
11 | 16172629 |
12 | a21305a |
13 | 63aa6cb |
14 | 406c9b8 |
15 | 2a027b4 |
hex | 1cf9d86 |
30383494 has 4 divisors (see below), whose sum is σ = 45575244. Its totient is φ = 15191746.
The previous prime is 30383473. The next prime is 30383497. The reversal of 30383494 is 49438303.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49438303 = 1877 ⋅26339.
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30383497) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7595872 + ... + 7595875.
It is an arithmetic number, because the mean of its divisors is an integer number (11393811).
Almost surely, 230383494 is an apocalyptic number.
30383494 is a deficient number, since it is larger than the sum of its proper divisors (15191750).
30383494 is a wasteful number, since it uses less digits than its factorization.
30383494 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15191749.
The product of its (nonzero) digits is 31104, while the sum is 34.
The square root of 30383494 is about 5512.1224587268. The cubic root of 30383494 is about 312.0416542567.
The spelling of 30383494 in words is "thirty million, three hundred eighty-three thousand, four hundred ninety-four".
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