Base | Representation |
---|---|
bin | 10111110100111… |
… | …10111000111100 |
3 | 111221002222011022 |
4 | 23322132320330 |
5 | 402132132002 |
6 | 31500043312 |
7 | 4644645155 |
oct | 1372367074 |
9 | 457088138 |
10 | 199880252 |
11 | a2910aa0 |
12 | 56b33538 |
13 | 32544950 |
14 | 1c79092c |
15 | 12833ba2 |
hex | be9ee3c |
199880252 has 48 divisors (see below), whose sum is σ = 413048832. Its totient is φ = 83436480.
The previous prime is 199880251. The next prime is 199880269. The reversal of 199880252 is 252088991.
It is a Harshad number since it is a multiple of its sum of digits (44).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (199880251) 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, 126773 + ... + 128339.
It is an arithmetic number, because the mean of its divisors is an integer number (8605184).
Almost surely, 2199880252 is an apocalyptic number.
It is an amenable number.
199880252 is an abundant number, since it is smaller than the sum of its proper divisors (213168580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
199880252 is a wasteful number, since it uses less digits than its factorization.
199880252 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1818 (or 1816 counting only the distinct ones).
The product of its (nonzero) digits is 103680, while the sum is 44.
The square root of 199880252 is about 14137.9012586734. The cubic root of 199880252 is about 584.6868092488.
The spelling of 199880252 in words is "one hundred ninety-nine million, eight hundred eighty thousand, two hundred fifty-two".
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