Base | Representation |
---|---|
bin | 101011111101… |
… | …1001111100110 |
3 | 1121101000112201 |
4 | 1113323033212 |
5 | 21400033230 |
6 | 2142005114 |
7 | 366625543 |
oct | 127731746 |
9 | 47330481 |
10 | 23049190 |
11 | 1201321a |
12 | 787679a |
13 | 4a10298 |
14 | 30bdbca |
15 | 20545ca |
hex | 15fb3e6 |
23049190 has 16 divisors (see below), whose sum is σ = 41595120. Its totient is φ = 9196000.
The previous prime is 23049179. The next prime is 23049193. The reversal of 23049190 is 9194032.
It is a happy number.
It is a super-2 number, since 2×230491902 = 1062530319312200, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23049193) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1440 + ... + 6940.
It is an arithmetic number, because the mean of its divisors is an integer number (2599695).
Almost surely, 223049190 is an apocalyptic number.
23049190 is a deficient number, since it is larger than the sum of its proper divisors (18545930).
23049190 is a wasteful number, since it uses less digits than its factorization.
23049190 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5927.
The product of its (nonzero) digits is 1944, while the sum is 28.
The square root of 23049190 is about 4800.9571962266. The cubic root of 23049190 is about 284.5892924892.
The spelling of 23049190 in words is "twenty-three million, forty-nine thousand, one hundred ninety".
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