Base | Representation |
---|---|
bin | 100011010101… |
… | …0011111101110 |
3 | 1021212010100100 |
4 | 1012222133232 |
5 | 14220233032 |
6 | 1501011530 |
7 | 313311150 |
oct | 106523756 |
9 | 37763310 |
10 | 18524142 |
11 | a50250a |
12 | 6253ba6 |
13 | 3ab7740 |
14 | 2662ad0 |
15 | 195d97c |
hex | 11aa7ee |
18524142 has 96 divisors (see below), whose sum is σ = 50738688. Its totient is φ = 4753728.
The previous prime is 18524117. The next prime is 18524179. The reversal of 18524142 is 24142581.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 70303 + ... + 70565.
It is an arithmetic number, because the mean of its divisors is an integer number (528528).
Almost surely, 218524142 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 18524142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25369344).
18524142 is an abundant number, since it is smaller than the sum of its proper divisors (32214546).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18524142 is a wasteful number, since it uses less digits than its factorization.
18524142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 334 (or 331 counting only the distinct ones).
The product of its digits is 2560, while the sum is 27.
The square root of 18524142 is about 4303.9681690273. The cubic root of 18524142 is about 264.5936194457.
The spelling of 18524142 in words is "eighteen million, five hundred twenty-four thousand, one hundred forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •