Base | Representation |
---|---|
bin | 10011001101000… |
… | …00010111010111 |
3 | 102020010011112122 |
4 | 21212200113113 |
5 | 312214321413 |
6 | 23552410155 |
7 | 3664143116 |
oct | 1146402727 |
9 | 366104478 |
10 | 161088983 |
11 | 82a265a0 |
12 | 45b4695b |
13 | 274b2333 |
14 | 17573c7d |
15 | e220108 |
hex | 99a05d7 |
161088983 has 8 divisors (see below), whose sum is σ = 178615056. Its totient is φ = 144043200.
The previous prime is 161088953. The next prime is 161089001. The reversal of 161088983 is 389880161.
It is a happy number.
161088983 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 161088983 - 26 = 161088919 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (161088943) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119366 + ... + 120707.
It is an arithmetic number, because the mean of its divisors is an integer number (22326882).
Almost surely, 2161088983 is an apocalyptic number.
161088983 is a deficient number, since it is larger than the sum of its proper divisors (17526073).
161088983 is a wasteful number, since it uses less digits than its factorization.
161088983 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 240145.
The product of its (nonzero) digits is 82944, while the sum is 44.
The square root of 161088983 is about 12692.0834775068. The cubic root of 161088983 is about 544.1123873461.
The spelling of 161088983 in words is "one hundred sixty-one million, eighty-eight thousand, nine hundred eighty-three".
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