Base | Representation |
---|---|
bin | 100100100111… |
… | …0000001011110 |
3 | 1100010011011001 |
4 | 1021032001132 |
5 | 14403201300 |
6 | 1523220514 |
7 | 322101016 |
oct | 111160136 |
9 | 40104131 |
10 | 19193950 |
11 | a91a776 |
12 | 651773a |
13 | 3c90589 |
14 | 2798c46 |
15 | 1a4216a |
hex | 124e05e |
19193950 has 24 divisors (see below), whose sum is σ = 36379368. Its totient is φ = 7531680.
The previous prime is 19193921. The next prime is 19194011. The reversal of 19193950 is 5939191.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 972 + ... + 6271.
It is an arithmetic number, because the mean of its divisors is an integer number (1515807).
Almost surely, 219193950 is an apocalyptic number.
19193950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
19193950 is a deficient number, since it is larger than the sum of its proper divisors (17185418).
19193950 is a wasteful number, since it uses less digits than its factorization.
19193950 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7308 (or 7303 counting only the distinct ones).
The product of its (nonzero) digits is 10935, while the sum is 37.
The square root of 19193950 is about 4381.0900470088. The cubic root of 19193950 is about 267.7450515966.
The spelling of 19193950 in words is "nineteen million, one hundred ninety-three thousand, nine hundred fifty".
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