Base | Representation |
---|---|
bin | 11000111001010… |
… | …10010101000010 |
3 | 112112222011121220 |
4 | 30130222111002 |
5 | 411430340002 |
6 | 32420055510 |
7 | 5114052660 |
oct | 1434522502 |
9 | 475864556 |
10 | 208840002 |
11 | a7980648 |
12 | 59b34596 |
13 | 34360b87 |
14 | 1da43c30 |
15 | 135037bc |
hex | c72a542 |
208840002 has 32 divisors (see below), whose sum is σ = 505429632. Its totient is φ = 56158464.
The previous prime is 208839989. The next prime is 208840003. The reversal of 208840002 is 200048802.
It is a super-2 number, since 2×2088400022 = 87228292870720008, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (208840003) 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, 145533 + ... + 146960.
It is an arithmetic number, because the mean of its divisors is an integer number (15794676).
Almost surely, 2208840002 is an apocalyptic number.
208840002 is an abundant number, since it is smaller than the sum of its proper divisors (296589630).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
208840002 is a wasteful number, since it uses less digits than its factorization.
208840002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 292522.
The product of its (nonzero) digits is 1024, while the sum is 24.
The square root of 208840002 is about 14451.2975887980. The cubic root of 208840002 is about 593.2957393875.
Adding to 208840002 its reverse (200048802), we get a palindrome (408888804).
The spelling of 208840002 in words is "two hundred eight million, eight hundred forty thousand, two".
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