Base | Representation |
---|---|
bin | 11000110110011… |
… | …11110000000000 |
3 | 112112021022200210 |
4 | 30123033300000 |
5 | 411332001432 |
6 | 32404114120 |
7 | 5110646214 |
oct | 1433176000 |
9 | 475238623 |
10 | 208468992 |
11 | a7747926 |
12 | 59995940 |
13 | 34261044 |
14 | 1d988944 |
15 | 1347d8cc |
hex | c6cfc00 |
208468992 has 88 divisors (see below), whose sum is σ = 563334400. Its totient is φ = 68530176.
The previous prime is 208468963. The next prime is 208469021. The reversal of 208468992 is 299864802.
It is an interprime number because it is at equal distance from previous prime (208468963) and next prime (208469021).
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242259 + ... + 243117.
Almost surely, 2208468992 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 208468992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281667200).
208468992 is an abundant number, since it is smaller than the sum of its proper divisors (354865408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
208468992 is an equidigital number, since it uses as much as digits as its factorization.
208468992 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 961 (or 943 counting only the distinct ones).
The product of its (nonzero) digits is 497664, while the sum is 48.
The square root of 208468992 is about 14438.4553190430. The cubic root of 208468992 is about 592.9441957370.
The spelling of 208468992 in words is "two hundred eight million, four hundred sixty-eight thousand, nine hundred ninety-two".
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