Base | Representation |
---|---|
bin | 10110110000100… |
… | …00111010100011 |
3 | 111022020020110000 |
4 | 23120100322203 |
5 | 342333110430 |
6 | 30535511043 |
7 | 4505465154 |
oct | 1330207243 |
9 | 438206400 |
10 | 190910115 |
11 | 98844660 |
12 | 53b28483 |
13 | 30723a86 |
14 | 1b4d792b |
15 | 11b60e60 |
hex | b610ea3 |
190910115 has 40 divisors (see below), whose sum is σ = 373344048. Its totient is φ = 92560320.
The previous prime is 190910089. The next prime is 190910131. The reversal of 190910115 is 511019091.
It is not a de Polignac number, because 190910115 - 210 = 190909091 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an unprimeable number.
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 39 ways as a sum of consecutive naturals, for example, 16972 + ... + 25881.
Almost surely, 2190910115 is an apocalyptic number.
190910115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
190910115 is a deficient number, since it is larger than the sum of its proper divisors (182433933).
190910115 is a wasteful number, since it uses less digits than its factorization.
190910115 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42881 (or 42872 counting only the distinct ones).
The product of its (nonzero) digits is 405, while the sum is 27.
The square root of 190910115 is about 13817.0226532347. The cubic root of 190910115 is about 575.8061685045.
The spelling of 190910115 in words is "one hundred ninety million, nine hundred ten thousand, one hundred fifteen".
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