Base | Representation |
---|---|
bin | 10110100110111… |
… | …01010001101001 |
3 | 111012212012221000 |
4 | 23103131101221 |
5 | 342022300100 |
6 | 30452505213 |
7 | 4461666345 |
oct | 1323352151 |
9 | 435765830 |
10 | 189650025 |
11 | 98063964 |
12 | 5361b209 |
13 | 303a2366 |
14 | 1b28a625 |
15 | 119b2900 |
hex | b4dd469 |
189650025 has 24 divisors (see below), whose sum is σ = 348395360. Its totient is φ = 101146320.
The previous prime is 189650009. The next prime is 189650057. The reversal of 189650025 is 520056981.
It is a happy number.
It is not a de Polignac number, because 189650025 - 24 = 189650009 is a prime.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 139807 + ... + 141156.
Almost surely, 2189650025 is an apocalyptic number.
189650025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
189650025 is a deficient number, since it is larger than the sum of its proper divisors (158745335).
189650025 is a wasteful number, since it uses less digits than its factorization.
189650025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 280982 (or 280971 counting only the distinct ones).
The product of its (nonzero) digits is 21600, while the sum is 36.
The square root of 189650025 is about 13771.3479732378. The cubic root of 189650025 is about 574.5365137097.
The spelling of 189650025 in words is "one hundred eighty-nine million, six hundred fifty thousand, twenty-five".
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