Base | Representation |
---|---|
bin | 10111000000101… |
… | …10011101110111 |
3 | 111110012221101112 |
4 | 23200112131313 |
5 | 343403430012 |
6 | 31053145235 |
7 | 4532504462 |
oct | 1340263567 |
9 | 443187345 |
10 | 193030007 |
11 | 99a62335 |
12 | 5478b21b |
13 | 30cb6951 |
14 | 1b8ca2d9 |
15 | 11e2e122 |
hex | b816777 |
193030007 has 6 divisors (see below), whose sum is σ = 201492168. Its totient is φ = 184573664.
The previous prime is 193030001. The next prime is 193030027. The reversal of 193030007 is 700030391.
It is not a de Polignac number, because 193030007 - 28 = 193029751 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (193030001) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65183 + ... + 68079.
It is an arithmetic number, because the mean of its divisors is an integer number (33582028).
Almost surely, 2193030007 is an apocalyptic number.
193030007 is a deficient number, since it is larger than the sum of its proper divisors (8462161).
193030007 is an frugal number, since it uses more digits than its factorization.
193030007 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5817 (or 2920 counting only the distinct ones).
The product of its (nonzero) digits is 567, while the sum is 23.
The square root of 193030007 is about 13893.5239230369. The cubic root of 193030007 is about 577.9296049373.
Multiplying 193030007 by its sum of digits (23), we get a square (4439690161 = 666312).
193030007 divided by its sum of digits (23) gives a square (8392609 = 28972).
Adding to 193030007 its reverse (700030391), we get a palindrome (893060398).
The spelling of 193030007 in words is "one hundred ninety-three million, thirty thousand, seven".
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