Base | Representation |
---|---|
bin | 111001111011… |
… | …0001011101101 |
3 | 2010010212202000 |
4 | 1303312023231 |
5 | 30233242433 |
6 | 3002522513 |
7 | 516061611 |
oct | 163661355 |
9 | 63125660 |
10 | 30368493 |
11 | 16162331 |
12 | a206439 |
13 | 63a392c |
14 | 4067341 |
15 | 29ed113 |
hex | 1cf62ed |
30368493 has 8 divisors (see below), whose sum is σ = 44990400. Its totient is φ = 20245644.
The previous prime is 30368489. The next prime is 30368497. The reversal of 30368493 is 39486303.
It is an interprime number because it is at equal distance from previous prime (30368489) and next prime (30368497).
It is not a de Polignac number, because 30368493 - 22 = 30368489 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30368497) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 562353 + ... + 562406.
It is an arithmetic number, because the mean of its divisors is an integer number (5623800).
Almost surely, 230368493 is an apocalyptic number.
It is an amenable number.
30368493 is a deficient number, since it is larger than the sum of its proper divisors (14621907).
30368493 is a wasteful number, since it uses less digits than its factorization.
30368493 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1124768 (or 1124762 counting only the distinct ones).
The product of its (nonzero) digits is 46656, while the sum is 36.
The square root of 30368493 is about 5510.7615626155. The cubic root of 30368493 is about 311.9902918577.
The spelling of 30368493 in words is "thirty million, three hundred sixty-eight thousand, four hundred ninety-three".
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