Base | Representation |
---|---|
bin | 10111101101011… |
… | …10010101011110 |
3 | 111212020220120100 |
4 | 23312232111132 |
5 | 401404114232 |
6 | 31423001530 |
7 | 4633402431 |
oct | 1366562536 |
9 | 455226510 |
10 | 198894942 |
11 | a22a8794 |
12 | 567392a6 |
13 | 3228b31c |
14 | 1c5b5818 |
15 | 126dbc7c |
hex | bdae55e |
198894942 has 24 divisors (see below), whose sum is σ = 434233800. Its totient is φ = 65791440.
The previous prime is 198894923. The next prime is 198894967. The reversal of 198894942 is 249498891.
198894942 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39817 + ... + 44532.
It is an arithmetic number, because the mean of its divisors is an integer number (18093075).
Almost surely, 2198894942 is an apocalyptic number.
198894942 is an abundant number, since it is smaller than the sum of its proper divisors (235338858).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
198894942 is a wasteful number, since it uses less digits than its factorization.
198894942 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 84488 (or 84485 counting only the distinct ones).
The product of its digits is 1492992, while the sum is 54.
The square root of 198894942 is about 14103.0118059938. The cubic root of 198894942 is about 583.7244880921.
The spelling of 198894942 in words is "one hundred ninety-eight million, eight hundred ninety-four thousand, nine hundred forty-two".
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