Base | Representation |
---|---|
bin | 111001011001… |
… | …1111100100101 |
3 | 2002122002120201 |
4 | 1302303330211 |
5 | 30201102224 |
6 | 2553030501 |
7 | 513551623 |
oct | 162637445 |
9 | 62562521 |
10 | 30097189 |
11 | 15a97511 |
12 | a0b5431 |
13 | 630a2b5 |
14 | 3dd6513 |
15 | 2997a44 |
hex | 1cb3f25 |
30097189 has 8 divisors (see below), whose sum is σ = 30492000. Its totient is φ = 29704752.
The previous prime is 30097181. The next prime is 30097201. The reversal of 30097189 is 98179003.
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 30097189 - 23 = 30097181 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 (30097181) 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, 45342 + ... + 46000.
It is an arithmetic number, because the mean of its divisors is an integer number (3811500).
Almost surely, 230097189 is an apocalyptic number.
It is an amenable number.
30097189 is a deficient number, since it is larger than the sum of its proper divisors (394811).
30097189 is a wasteful number, since it uses less digits than its factorization.
30097189 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1187.
The product of its (nonzero) digits is 13608, while the sum is 37.
The square root of 30097189 is about 5486.0905023523. The cubic root of 30097189 is about 311.0584320339.
The spelling of 30097189 in words is "thirty million, ninety-seven thousand, one hundred eighty-nine".
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