Base | Representation |
---|---|
bin | 11000001010001… |
… | …01110011011000 |
3 | 112010100020201221 |
4 | 30011011303120 |
5 | 403340123310 |
6 | 32035421424 |
7 | 5010406426 |
oct | 1405056330 |
9 | 463306657 |
10 | 202661080 |
11 | a44402a6 |
12 | 57a54874 |
13 | 32ca95cb |
14 | 1ccb6116 |
15 | 12bd2ada |
hex | c145cd8 |
202661080 has 32 divisors (see below), whose sum is σ = 482811840. Its totient is φ = 76295680.
The previous prime is 202661071. The next prime is 202661083. The reversal of 202661080 is 80166202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (202661083) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148336 + ... + 149695.
It is an arithmetic number, because the mean of its divisors is an integer number (15087870).
Almost surely, 2202661080 is an apocalyptic number.
202661080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
202661080 is an abundant number, since it is smaller than the sum of its proper divisors (280150760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
202661080 is a wasteful number, since it uses less digits than its factorization.
202661080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 298059 (or 298055 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 25.
The square root of 202661080 is about 14235.9081199620. The cubic root of 202661080 is about 587.3858103103.
The spelling of 202661080 in words is "two hundred two million, six hundred sixty-one thousand, eighty".
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