Base | Representation |
---|---|
bin | 100011110110… |
… | …0101110010100 |
3 | 1022100220110101 |
4 | 1013230232110 |
5 | 14302423122 |
6 | 1510503444 |
7 | 315521056 |
oct | 107545624 |
9 | 38326411 |
10 | 18795412 |
11 | a6782a9 |
12 | 6364b84 |
13 | 3b8105c |
14 | 26d38d6 |
15 | 19b4027 |
hex | 11ecb94 |
18795412 has 18 divisors (see below), whose sum is σ = 33293918. Its totient is φ = 9283872.
The previous prime is 18795409. The next prime is 18795419. The reversal of 18795412 is 21459781.
It can be written as a sum of positive squares in 3 ways, for example, as 9036036 + 9759376 = 3006^2 + 3124^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18795419) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 108558 + ... + 108730.
Almost surely, 218795412 is an apocalyptic number.
It is an amenable number.
18795412 is a deficient number, since it is larger than the sum of its proper divisors (14498506).
18795412 is a wasteful number, since it uses less digits than its factorization.
18795412 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 507 (or 332 counting only the distinct ones).
The product of its digits is 20160, while the sum is 37.
The square root of 18795412 is about 4335.3675738050. The cubic root of 18795412 is about 265.8789469350.
The spelling of 18795412 in words is "eighteen million, seven hundred ninety-five thousand, four hundred twelve".
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