Base | Representation |
---|---|
bin | 100101101010… |
… | …1110011011000 |
3 | 1101011102001100 |
4 | 1023111303120 |
5 | 20024000404 |
6 | 1543151400 |
7 | 326605323 |
oct | 113256330 |
9 | 41142040 |
10 | 19750104 |
11 | 1016a600 |
12 | 6745560 |
13 | 412676a |
14 | 28a17ba |
15 | 1b01d39 |
hex | 12d5cd8 |
19750104 has 72 divisors (see below), whose sum is σ = 58820580. Its totient is φ = 5982240.
The previous prime is 19750091. The next prime is 19750109. The reversal of 19750104 is 40105791.
It is a tau number, because it is divible by the number of its divisors (72).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19750109) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7579 + ... + 9845.
Almost surely, 219750104 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 19750104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29410290).
19750104 is an abundant number, since it is smaller than the sum of its proper divisors (39070476).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19750104 is a wasteful number, since it uses less digits than its factorization.
19750104 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2301 (or 2283 counting only the distinct ones).
The product of its (nonzero) digits is 1260, while the sum is 27.
The square root of 19750104 is about 4444.1089095566. The cubic root of 19750104 is about 270.3064832479.
Adding to 19750104 its reverse (40105791), we get a palindrome (59855895).
The spelling of 19750104 in words is "nineteen million, seven hundred fifty thousand, one hundred four".
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