Base | Representation |
---|---|
bin | 111001011010… |
… | …1101000011101 |
3 | 2002122110001102 |
4 | 1302311220131 |
5 | 30201312333 |
6 | 2553122445 |
7 | 513611015 |
oct | 162655035 |
9 | 62573042 |
10 | 30104093 |
11 | 15aa1718 |
12 | a0b9425 |
13 | 6310496 |
14 | 3dd8c45 |
15 | 2999ae8 |
hex | 1cb5a1d |
30104093 has 4 divisors (see below), whose sum is σ = 31874940. Its totient is φ = 28333248.
The previous prime is 30104089. The next prime is 30104099. The reversal of 30104093 is 39040103.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39040103 = 277 ⋅140939.
It can be written as a sum of positive squares in 2 ways, for example, as 24334489 + 5769604 = 4933^2 + 2402^2 .
It is a cyclic number.
It is not a de Polignac number, because 30104093 - 22 = 30104089 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 (30104099) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 885398 + ... + 885431.
It is an arithmetic number, because the mean of its divisors is an integer number (7968735).
Almost surely, 230104093 is an apocalyptic number.
It is an amenable number.
30104093 is a deficient number, since it is larger than the sum of its proper divisors (1770847).
30104093 is a wasteful number, since it uses less digits than its factorization.
30104093 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1770846.
The product of its (nonzero) digits is 324, while the sum is 20.
The square root of 30104093 is about 5486.7196939519. The cubic root of 30104093 is about 311.0822148001.
Adding to 30104093 its reverse (39040103), we get a palindrome (69144196).
The spelling of 30104093 in words is "thirty million, one hundred four thousand, ninety-three".
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