Base | Representation |
---|---|
bin | 11000110110101… |
… | …00101110110000 |
3 | 112112022100200100 |
4 | 30123110232300 |
5 | 411333130032 |
6 | 32404352400 |
7 | 5111062536 |
oct | 1433245660 |
9 | 475270610 |
10 | 208489392 |
11 | a7761191 |
12 | 599a5700 |
13 | 3426a407 |
14 | 1d992156 |
15 | 1348497c |
hex | c6d4bb0 |
208489392 has 30 divisors (see below), whose sum is σ = 583481132. Its totient is φ = 69496416.
The previous prime is 208489373. The next prime is 208489403. The reversal of 208489392 is 293984802.
208489392 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-3 number, since 3×2084893923 (a number of 26 digits) contains 333 as substring.
It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 723778 + ... + 724065.
Almost surely, 2208489392 is an apocalyptic number.
It is an amenable number.
208489392 is an abundant number, since it is smaller than the sum of its proper divisors (374991740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
208489392 is a wasteful number, since it uses less digits than its factorization.
208489392 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1447857 (or 1447848 counting only the distinct ones).
The product of its (nonzero) digits is 248832, while the sum is 45.
The square root of 208489392 is about 14439.1617485227. The cubic root of 208489392 is about 592.9635362105.
The spelling of 208489392 in words is "two hundred eight million, four hundred eighty-nine thousand, three hundred ninety-two".
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