Base | Representation |
---|---|
bin | 11110000100001… |
… | …10110000010110 |
3 | 122120120121100110 |
4 | 33002012300112 |
5 | 1004031211243 |
6 | 41005423450 |
7 | 6151515462 |
oct | 1702066026 |
9 | 576517313 |
10 | 252210198 |
11 | 11a403289 |
12 | 7056ab86 |
13 | 40337706 |
14 | 256d34a2 |
15 | 1721de33 |
hex | f086c16 |
252210198 has 16 divisors (see below), whose sum is σ = 534092400. Its totient is φ = 79124736.
The previous prime is 252210197. The next prime is 252210221. The reversal of 252210198 is 891012252.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (252210193) 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, 1236223 + ... + 1236426.
It is an arithmetic number, because the mean of its divisors is an integer number (33380775).
Almost surely, 2252210198 is an apocalyptic number.
252210198 is an abundant number, since it is smaller than the sum of its proper divisors (281882202).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
252210198 is a wasteful number, since it uses less digits than its factorization.
252210198 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2472671.
The product of its (nonzero) digits is 2880, while the sum is 30.
The square root of 252210198 is about 15881.1271010593. The cubic root of 252210198 is about 631.8115308207.
It can be divided in two parts, 2522 and 10198, that added together give a triangular number (12720 = T159).
The spelling of 252210198 in words is "two hundred fifty-two million, two hundred ten thousand, one hundred ninety-eight".
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