Base | Representation |
---|---|
bin | 11101011000100… |
… | …010100001101111 |
3 | 1021100121120122112 |
4 | 131120202201233 |
5 | 2002200102033 |
6 | 120530034235 |
7 | 15134123366 |
oct | 3530424157 |
9 | 1240546575 |
10 | 492972143 |
11 | 2332a72a4 |
12 | 11911897b |
13 | 7b1942c1 |
14 | 496867dd |
15 | 2d42ac48 |
hex | 1d62286f |
492972143 has 16 divisors (see below), whose sum is σ = 510741504. Its totient is φ = 475570080.
The previous prime is 492972121. The next prime is 492972187. The reversal of 492972143 is 341279294.
It is a cyclic number.
It is not a de Polignac number, because 492972143 - 228 = 224536687 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 492972143.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (492972743) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1420496 + ... + 1420842.
It is an arithmetic number, because the mean of its divisors is an integer number (31921344).
Almost surely, 2492972143 is an apocalyptic number.
492972143 is a deficient number, since it is larger than the sum of its proper divisors (17769361).
492972143 is a wasteful number, since it uses less digits than its factorization.
492972143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 742.
The product of its digits is 108864, while the sum is 41.
The square root of 492972143 is about 22202.9759942220. The cubic root of 492972143 is about 789.9642898989.
The spelling of 492972143 in words is "four hundred ninety-two million, nine hundred seventy-two thousand, one hundred forty-three".
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