Base | Representation |
---|---|
bin | 11000110110011… |
… | …01100011111100 |
3 | 112112020212101210 |
4 | 30123031203330 |
5 | 411331210103 |
6 | 32404004420 |
7 | 5110611120 |
oct | 1433154374 |
9 | 475225353 |
10 | 208460028 |
11 | a7741117 |
12 | 59990710 |
13 | 34259c3a |
14 | 1d985580 |
15 | 1347ae03 |
hex | c6cd8fc |
208460028 has 48 divisors (see below), whose sum is σ = 557258240. Its totient is φ = 59413824.
The previous prime is 208460009. The next prime is 208460029. The reversal of 208460028 is 820064802.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 208459977 and 208460004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (208460029) 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, 34050 + ... + 39702.
Almost surely, 2208460028 is an apocalyptic number.
208460028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
208460028 is an abundant number, since it is smaller than the sum of its proper divisors (348798212).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
208460028 is a wasteful number, since it uses less digits than its factorization.
208460028 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6106 (or 6104 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 30.
The square root of 208460028 is about 14438.1448946878. The cubic root of 208460028 is about 592.9356969064.
The spelling of 208460028 in words is "two hundred eight million, four hundred sixty thousand, twenty-eight".
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