Base | Representation |
---|---|
bin | 100011110010… |
… | …0100110011110 |
3 | 1022022012211011 |
4 | 1013210212132 |
5 | 14300342032 |
6 | 1510045434 |
7 | 315322060 |
oct | 107444636 |
9 | 38265734 |
10 | 18762142 |
11 | a655303 |
12 | 634987a |
13 | 3b6bb79 |
14 | 26c5730 |
15 | 19a9247 |
hex | 11e499e |
18762142 has 8 divisors (see below), whose sum is σ = 32163696. Its totient is φ = 8040912.
The previous prime is 18762137. The next prime is 18762151. The reversal of 18762142 is 24126781.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 670063 + ... + 670090.
It is an arithmetic number, because the mean of its divisors is an integer number (4020462).
Almost surely, 218762142 is an apocalyptic number.
18762142 is a deficient number, since it is larger than the sum of its proper divisors (13401554).
18762142 is a wasteful number, since it uses less digits than its factorization.
18762142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1340162.
The product of its digits is 5376, while the sum is 31.
The square root of 18762142 is about 4331.5288294088. The cubic root of 18762142 is about 265.7219757009.
The spelling of 18762142 in words is "eighteen million, seven hundred sixty-two thousand, one hundred forty-two".
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