Base | Representation |
---|---|
bin | 11000111000010… |
… | …01001011001000 |
3 | 112112201021100012 |
4 | 30130021023020 |
5 | 411412013300 |
6 | 32413131052 |
7 | 5112646025 |
oct | 1434111310 |
9 | 475637305 |
10 | 208704200 |
11 | a7898611 |
12 | 59a89a88 |
13 | 34314113 |
14 | 1da0a54c |
15 | 134c8435 |
hex | c7092c8 |
208704200 has 24 divisors (see below), whose sum is σ = 485237730. Its totient is φ = 83481600.
The previous prime is 208704187. The next prime is 208704211. The reversal of 208704200 is 2407802.
It can be written as a sum of positive squares in 3 ways, for example, as 121132036 + 87572164 = 11006^2 + 9358^2 .
It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 521561 + ... + 521960.
Almost surely, 2208704200 is an apocalyptic number.
208704200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
208704200 is an abundant number, since it is smaller than the sum of its proper divisors (276533530).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
208704200 is a wasteful number, since it uses less digits than its factorization.
208704200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1043537 (or 1043528 counting only the distinct ones).
The product of its (nonzero) digits is 896, while the sum is 23.
The square root of 208704200 is about 14446.5982154970. The cubic root of 208704200 is about 593.1671110632.
The spelling of 208704200 in words is "two hundred eight million, seven hundred four thousand, two hundred".
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