Base | Representation |
---|---|
bin | 1100110010000… |
… | …11101011110001 |
3 | 21110202221122000 |
4 | 12121003223301 |
5 | 204422410420 |
6 | 14350204213 |
7 | 2441312460 |
oct | 631035361 |
9 | 243687560 |
10 | 107231985 |
11 | 55590a83 |
12 | 2bab3669 |
13 | 192a64a3 |
14 | 103549d7 |
15 | 9632690 |
hex | 6643af1 |
107231985 has 64 divisors (see below), whose sum is σ = 222082560. Its totient is φ = 48072960.
The previous prime is 107231923. The next prime is 107232001. The reversal of 107231985 is 589132701.
It is not a de Polignac number, because 107231985 - 26 = 107231921 is a prime.
It is a super-2 number, since 2×1072319852 = 22997397214080450, which contains 22 as substring.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 49015 + ... + 51155.
It is an arithmetic number, because the mean of its divisors is an integer number (3470040).
Almost surely, 2107231985 is an apocalyptic number.
107231985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
107231985 is an abundant number, since it is smaller than the sum of its proper divisors (114850575).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
107231985 is a wasteful number, since it uses less digits than its factorization.
107231985 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2215 (or 2209 counting only the distinct ones).
The product of its (nonzero) digits is 15120, while the sum is 36.
The square root of 107231985 is about 10355.2877796805. The cubic root of 107231985 is about 475.0887885731.
The spelling of 107231985 in words is "one hundred seven million, two hundred thirty-one thousand, nine hundred eighty-five".
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