Base | Representation |
---|---|
bin | 1100110111110… |
… | …10011011011101 |
3 | 21112011222102010 |
4 | 12123322123131 |
5 | 210120334014 |
6 | 14414221433 |
7 | 2450550660 |
oct | 633723335 |
9 | 245158363 |
10 | 107980509 |
11 | 55a5239a |
12 | 301b4879 |
13 | 194a90c0 |
14 | 104ab6d7 |
15 | 972e359 |
hex | 66fa6dd |
107980509 has 16 divisors (see below), whose sum is σ = 177199232. Its totient is φ = 56956608.
The previous prime is 107980507. The next prime is 107980547. The reversal of 107980509 is 905089701.
It is a happy number.
It is not a de Polignac number, because 107980509 - 21 = 107980507 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (107980507) 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, 197494 + ... + 198039.
It is an arithmetic number, because the mean of its divisors is an integer number (11074952).
Almost surely, 2107980509 is an apocalyptic number.
It is an amenable number.
107980509 is a deficient number, since it is larger than the sum of its proper divisors (69218723).
107980509 is a wasteful number, since it uses less digits than its factorization.
107980509 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 395556.
The product of its (nonzero) digits is 22680, while the sum is 39.
The square root of 107980509 is about 10391.3670419248. The cubic root of 107980509 is about 476.1916656873.
The spelling of 107980509 in words is "one hundred seven million, nine hundred eighty thousand, five hundred nine".
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