Base | Representation |
---|---|
bin | 11101011000001… |
… | …101100100010010 |
3 | 1021100110012212210 |
4 | 131120031210102 |
5 | 2002134330130 |
6 | 120524132550 |
7 | 15133315161 |
oct | 3530154422 |
9 | 1240405783 |
10 | 492886290 |
11 | 233248846 |
12 | 119097156 |
13 | 7b1641c0 |
14 | 496633d8 |
15 | 2d4105b0 |
hex | 1d60d912 |
492886290 has 64 divisors (see below), whose sum is σ = 1276684416. Its totient is φ = 121062912.
The previous prime is 492886241. The next prime is 492886307. The reversal of 492886290 is 92688294.
It is a Curzon 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 31 ways as a sum of consecutive naturals, for example, 227854 + ... + 230006.
It is an arithmetic number, because the mean of its divisors is an integer number (19948194).
Almost surely, 2492886290 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 492886290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (638342208).
492886290 is an abundant number, since it is smaller than the sum of its proper divisors (783798126).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
492886290 is a wasteful number, since it uses less digits than its factorization.
492886290 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2763.
The product of its (nonzero) digits is 497664, while the sum is 48.
The square root of 492886290 is about 22201.0425430879. The cubic root of 492886290 is about 789.9184287939.
The spelling of 492886290 in words is "four hundred ninety-two million, eight hundred eighty-six thousand, two hundred ninety".
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