Base | Representation |
---|---|
bin | 100011010100… |
… | …0000010001001 |
3 | 1021211121111211 |
4 | 1012220002021 |
5 | 14214422212 |
6 | 1500453121 |
7 | 313236562 |
oct | 106500211 |
9 | 37747454 |
10 | 18514057 |
11 | a4a5981 |
12 | 624a1a1 |
13 | 3ab2c83 |
14 | 265d169 |
15 | 195a9a7 |
hex | 11a8089 |
18514057 has 8 divisors (see below), whose sum is σ = 19362240. Its totient is φ = 17669520.
The previous prime is 18514051. The next prime is 18514061. The reversal of 18514057 is 75041581.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 18514057 - 223 = 10125449 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (18514051) 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, 18582 + ... + 19552.
It is an arithmetic number, because the mean of its divisors is an integer number (2420280).
Almost surely, 218514057 is an apocalyptic number.
It is an amenable number.
18514057 is a deficient number, since it is larger than the sum of its proper divisors (848183).
18514057 is an equidigital number, since it uses as much as digits as its factorization.
18514057 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1823.
The product of its (nonzero) digits is 5600, while the sum is 31.
The square root of 18514057 is about 4302.7964162856. The cubic root of 18514057 is about 264.5455936306.
The spelling of 18514057 in words is "eighteen million, five hundred fourteen thousand, fifty-seven".
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