Base | Representation |
---|---|
bin | 11000100111011… |
… | …00111001000000 |
3 | 112101112211200020 |
4 | 30103230321000 |
5 | 410330204300 |
6 | 32253453440 |
7 | 5055101106 |
oct | 1423547100 |
9 | 471484606 |
10 | 206491200 |
11 | a6616993 |
12 | 591a1280 |
13 | 33a1aa56 |
14 | 1d5d1c76 |
15 | 131dc8a0 |
hex | c4ece40 |
206491200 has 84 divisors (see below), whose sum is σ = 677478960. Its totient is φ = 55063040.
The previous prime is 206491199. The next prime is 206491237. The reversal of 206491200 is 2194602.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16710 + ... + 26309.
Almost surely, 2206491200 is an apocalyptic number.
206491200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
206491200 is an abundant number, since it is smaller than the sum of its proper divisors (470987760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
206491200 is a wasteful number, since it uses less digits than its factorization.
206491200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43044 (or 43029 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 24.
The square root of 206491200 is about 14369.8016687775. The cubic root of 206491200 is about 591.0631029073.
The spelling of 206491200 in words is "two hundred six million, four hundred ninety-one thousand, two hundred".
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