Base | Representation |
---|---|
bin | 10110101111011… |
… | …10110001001010 |
3 | 111021222010120211 |
4 | 23113232301022 |
5 | 342314122000 |
6 | 30532511334 |
7 | 4504343326 |
oct | 1327566112 |
9 | 437863524 |
10 | 190770250 |
11 | 98759570 |
12 | 53a7b54a |
13 | 306a5208 |
14 | 1b49c986 |
15 | 11b347ba |
hex | b5eec4a |
190770250 has 32 divisors (see below), whose sum is σ = 389593152. Its totient is φ = 69370000.
The previous prime is 190770247. The next prime is 190770259. The reversal of 190770250 is 52077091.
It is a super-3 number, since 3×1907702503 (a number of 26 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (190770259) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31936 + ... + 37435.
It is an arithmetic number, because the mean of its divisors is an integer number (12174786).
Almost surely, 2190770250 is an apocalyptic number.
190770250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
190770250 is an abundant number, since it is smaller than the sum of its proper divisors (198822902).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
190770250 is a wasteful number, since it uses less digits than its factorization.
190770250 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69399 (or 69389 counting only the distinct ones).
The product of its (nonzero) digits is 4410, while the sum is 31.
The square root of 190770250 is about 13811.9603966997. The cubic root of 190770250 is about 575.6655180120.
The spelling of 190770250 in words is "one hundred ninety million, seven hundred seventy thousand, two hundred fifty".
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