Base | Representation |
---|---|
bin | 101111101010… |
… | …0110111101001 |
3 | 1202000120200111 |
4 | 1133110313221 |
5 | 22344123121 |
6 | 2251334321 |
7 | 422255461 |
oct | 137246751 |
9 | 52016614 |
10 | 24989161 |
11 | 131187aa |
12 | 84513a1 |
13 | 523c2b2 |
14 | 3466ba1 |
15 | 22d92e1 |
hex | 17d4de9 |
24989161 has 8 divisors (see below), whose sum is σ = 26395200. Its totient is φ = 23592240.
The previous prime is 24989147. The next prime is 24989179. The reversal of 24989161 is 16198942.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 24989161 - 27 = 24989033 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (24989761) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3795 + ... + 8023.
It is an arithmetic number, because the mean of its divisors is an integer number (3299400).
Almost surely, 224989161 is an apocalyptic number.
It is an amenable number.
24989161 is a deficient number, since it is larger than the sum of its proper divisors (1406039).
24989161 is a wasteful number, since it uses less digits than its factorization.
24989161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4559.
The product of its digits is 31104, while the sum is 40.
The square root of 24989161 is about 4998.9159824906. The cubic root of 24989161 is about 292.3595098084.
The spelling of 24989161 in words is "twenty-four million, nine hundred eighty-nine thousand, one hundred sixty-one".
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