Base | Representation |
---|---|
bin | 100100010000… |
… | …0101000011100 |
3 | 1022202201010001 |
4 | 1020200220130 |
5 | 14331224103 |
6 | 1515224044 |
7 | 320364664 |
oct | 110405034 |
9 | 38681101 |
10 | 19008028 |
11 | a803016 |
12 | 6448024 |
13 | 3c26a70 |
14 | 274b1a4 |
15 | 1a0701d |
hex | 1220a1c |
19008028 has 36 divisors (see below), whose sum is σ = 37502248. Its totient is φ = 8379360.
The previous prime is 19008013. The next prime is 19008043. The reversal of 19008028 is 82080091.
It is an interprime number because it is at equal distance from previous prime (19008013) and next prime (19008043).
It is a super-2 number, since 2×190080282 = 722610256897568, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 19007987 and 19008005.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27163 + ... + 27853.
Almost surely, 219008028 is an apocalyptic number.
It is an amenable number.
19008028 is a deficient number, since it is larger than the sum of its proper divisors (18494220).
19008028 is a wasteful number, since it uses less digits than its factorization.
19008028 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 754 (or 729 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 28.
The square root of 19008028 is about 4359.8197210435. The cubic root of 19008028 is about 266.8777419109.
The spelling of 19008028 in words is "nineteen million, eight thousand, twenty-eight".
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