Base | Representation |
---|---|
bin | 100100000110… |
… | …1001000010110 |
3 | 1022121122112121 |
4 | 1020031020112 |
5 | 14321200100 |
6 | 1513410154 |
7 | 316613053 |
oct | 110151026 |
9 | 38548477 |
10 | 18928150 |
11 | a758aaa |
12 | 640995a |
13 | 3bc95b7 |
14 | 272a02a |
15 | 19dd51a |
hex | 120d216 |
18928150 has 24 divisors (see below), whose sum is σ = 35638344. Its totient is φ = 7478400.
The previous prime is 18928141. The next prime is 18928153. The reversal of 18928150 is 5182981.
It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18928153) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1870 + ... + 6430.
It is an arithmetic number, because the mean of its divisors is an integer number (1484931).
Almost surely, 218928150 is an apocalyptic number.
18928150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
18928150 is a deficient number, since it is larger than the sum of its proper divisors (16710194).
18928150 is a wasteful number, since it uses less digits than its factorization.
18928150 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4656 (or 4651 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 34.
The square root of 18928150 is about 4350.6493768172. The cubic root of 18928150 is about 266.5033809398.
The spelling of 18928150 in words is "eighteen million, nine hundred twenty-eight thousand, one hundred fifty".
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