Base | Representation |
---|---|
bin | 100100010000… |
… | …0001100000000 |
3 | 1022202121121122 |
4 | 1020200030000 |
5 | 14331144313 |
6 | 1515211412 |
7 | 320356454 |
oct | 110401400 |
9 | 38677548 |
10 | 19006208 |
11 | a801711 |
12 | 6446b68 |
13 | 3c25ca0 |
14 | 274a664 |
15 | 1a06708 |
hex | 1220300 |
19006208 has 36 divisors (see below), whose sum is σ = 40863648. Its totient is φ = 8770560.
The previous prime is 19006159. The next prime is 19006237. The reversal of 19006208 is 80260091.
It is a super-2 number, since 2×190062082 = 722471885078528, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (26).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (5) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 473 + ... + 6183.
Almost surely, 219006208 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 19006208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20431824).
19006208 is an abundant number, since it is smaller than the sum of its proper divisors (21857440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19006208 is an equidigital number, since it uses as much as digits as its factorization.
19006208 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5740 (or 5726 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 26.
The square root of 19006208 is about 4359.6109918203. The cubic root of 19006208 is about 266.8692238785.
Adding to 19006208 its reverse (80260091), we get a palindrome (99266299).
The spelling of 19006208 in words is "nineteen million, six thousand, two hundred eight".
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