Base | Representation |
---|---|
bin | 100100000010… |
… | …1110010000101 |
3 | 1022120010020220 |
4 | 1020011302011 |
5 | 14314214203 |
6 | 1513014553 |
7 | 316426236 |
oct | 110056205 |
9 | 38503226 |
10 | 18898053 |
11 | a738429 |
12 | 63b4459 |
13 | 3bb89a5 |
14 | 271d08d |
15 | 19d4653 |
hex | 1205c85 |
18898053 has 8 divisors (see below), whose sum is σ = 26066400. Its totient is φ = 12164208.
The previous prime is 18898049. The next prime is 18898069. The reversal of 18898053 is 35089881.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 18898053 - 22 = 18898049 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 18897996 and 18898014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18898073) 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, 108523 + ... + 108696.
It is an arithmetic number, because the mean of its divisors is an integer number (3258300).
Almost surely, 218898053 is an apocalyptic number.
It is an amenable number.
18898053 is a deficient number, since it is larger than the sum of its proper divisors (7168347).
18898053 is a wasteful number, since it uses less digits than its factorization.
18898053 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 217251.
The product of its (nonzero) digits is 69120, while the sum is 42.
The square root of 18898053 is about 4347.1890918155. The cubic root of 18898053 is about 266.3620533881.
The spelling of 18898053 in words is "eighteen million, eight hundred ninety-eight thousand, fifty-three".
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