Base | Representation |
---|---|
bin | 111010111100010… |
… | …001110100111110 |
3 | 2112220202022121020 |
4 | 322330101310332 |
5 | 4011123131230 |
6 | 242043045010 |
7 | 33335225424 |
oct | 7274216476 |
9 | 2486668536 |
10 | 988880190 |
11 | 468219361 |
12 | 237210766 |
13 | 129b45a0c |
14 | 95495114 |
15 | 5bc36810 |
hex | 3af11d3e |
988880190 has 32 divisors (see below), whose sum is σ = 2406744576. Its totient is φ = 259986720.
The previous prime is 988880173. The next prime is 988880203. The reversal of 988880190 is 91088889.
It is a super-2 number, since 2×9888801902 = 1955768060348872200, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230002 + ... + 234261.
It is an arithmetic number, because the mean of its divisors is an integer number (75210768).
Almost surely, 2988880190 is an apocalyptic number.
988880190 is an abundant number, since it is smaller than the sum of its proper divisors (1417864386).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
988880190 is a wasteful number, since it uses less digits than its factorization.
988880190 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 464344.
The product of its (nonzero) digits is 331776, while the sum is 51.
The square root of 988880190 is about 31446.4654611611. The cubic root of 988880190 is about 996.2795722496.
The spelling of 988880190 in words is "nine hundred eighty-eight million, eight hundred eighty thousand, one hundred ninety".
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