Base | Representation |
---|---|
bin | 11001000101111… |
… | …00000010010000 |
3 | 112200001202200021 |
4 | 30202330002100 |
5 | 412341013032 |
6 | 32515233224 |
7 | 5134045015 |
oct | 1442740220 |
9 | 480052607 |
10 | 210485392 |
11 | a88a4877 |
12 | 5a5a8814 |
13 | 347b8a90 |
14 | 1dd5170c |
15 | 1372b097 |
hex | c8bc090 |
210485392 has 40 divisors (see below), whose sum is σ = 440525624. Its totient is φ = 96850944.
The previous prime is 210485389. The next prime is 210485399. The reversal of 210485392 is 293584012.
It can be written as a sum of positive squares in 4 ways, for example, as 58308496 + 152176896 = 7636^2 + 12336^2 .
It is not an unprimeable number, because it can be changed into a prime (210485399) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76228 + ... + 78940.
Almost surely, 2210485392 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 210485392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220262812).
210485392 is an abundant number, since it is smaller than the sum of its proper divisors (230040232).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
210485392 is a wasteful number, since it uses less digits than its factorization.
210485392 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3107 (or 3101 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 34.
The square root of 210485392 is about 14508.1146948871. The cubic root of 210485392 is about 594.8498003756.
The spelling of 210485392 in words is "two hundred ten million, four hundred eighty-five thousand, three hundred ninety-two".
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