Base | Representation |
---|---|
bin | 10111110101110… |
… | …10011010011000 |
3 | 111221022200210120 |
4 | 23322322122120 |
5 | 402144233414 |
6 | 31502313240 |
7 | 4645624632 |
oct | 1372723230 |
9 | 457280716 |
10 | 199992984 |
11 | a2988764 |
12 | 56b88820 |
13 | 32584059 |
14 | 1c7bda52 |
15 | 128572a9 |
hex | beba698 |
199992984 has 32 divisors (see below), whose sum is σ = 503807040. Its totient is φ = 66154400.
The previous prime is 199992979. The next prime is 199993033. The reversal of 199992984 is 489299991.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28662 + ... + 34949.
It is an arithmetic number, because the mean of its divisors is an integer number (15743970).
Almost surely, 2199992984 is an apocalyptic number.
It is an amenable number.
199992984 is an abundant number, since it is smaller than the sum of its proper divisors (303814056).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
199992984 is a wasteful number, since it uses less digits than its factorization.
199992984 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 63751 (or 63747 counting only the distinct ones).
The product of its digits is 3779136, while the sum is 60.
The square root of 199992984 is about 14141.8875684966. The cubic root of 199992984 is about 584.7967092598.
The spelling of 199992984 in words is "one hundred ninety-nine million, nine hundred ninety-two thousand, nine hundred eighty-four".
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