Base | Representation |
---|---|
bin | 101110001000… |
… | …1100011011001 |
3 | 1200111221021021 |
4 | 1130101203121 |
5 | 22143023040 |
6 | 2222242441 |
7 | 412414201 |
oct | 134214331 |
9 | 50457237 |
10 | 24189145 |
11 | 12721732 |
12 | 8126421 |
13 | 501c106 |
14 | 32d9401 |
15 | 21cc24a |
hex | 17118d9 |
24189145 has 8 divisors (see below), whose sum is σ = 29963520. Its totient is φ = 18726960.
The previous prime is 24189133. The next prime is 24189163. The reversal of 24189145 is 54198142.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 24189145 - 219 = 23664857 is a prime.
It is a super-2 number, since 2×241891452 = 1170229471662050, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 24189145.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77875 + ... + 78184.
It is an arithmetic number, because the mean of its divisors is an integer number (3745440).
Almost surely, 224189145 is an apocalyptic number.
It is an amenable number.
24189145 is a deficient number, since it is larger than the sum of its proper divisors (5774375).
24189145 is a wasteful number, since it uses less digits than its factorization.
24189145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 156095.
The product of its digits is 11520, while the sum is 34.
The square root of 24189145 is about 4918.2461304819. The cubic root of 24189145 is about 289.2056940111.
The spelling of 24189145 in words is "twenty-four million, one hundred eighty-nine thousand, one hundred forty-five".
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