Base | Representation |
---|---|
bin | 10011000100001… |
… | …01011101101000 |
3 | 102010221022000100 |
4 | 21202011131220 |
5 | 311420231331 |
6 | 23511505400 |
7 | 3651245565 |
oct | 1142053550 |
9 | 363838010 |
10 | 159930216 |
11 | 82304a36 |
12 | 45688260 |
13 | 27197a84 |
14 | 1735186c |
15 | e091ae6 |
hex | 9885768 |
159930216 has 24 divisors (see below), whose sum is σ = 433144530. Its totient is φ = 53310048.
The previous prime is 159930191. The next prime is 159930223. The reversal of 159930216 is 612039951.
It can be written as a sum of positive squares in only one way, i.e., 157402116 + 2528100 = 12546^2 + 1590^2 .
It is a tau number, because it is divible by the number of its divisors (24).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1110555 + ... + 1110698.
Almost surely, 2159930216 is an apocalyptic number.
It is an amenable number.
159930216 is an abundant number, since it is smaller than the sum of its proper divisors (273214314).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
159930216 is a wasteful number, since it uses less digits than its factorization.
159930216 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2221265 (or 2221258 counting only the distinct ones).
The product of its (nonzero) digits is 14580, while the sum is 36.
The square root of 159930216 is about 12646.3518850299. The cubic root of 159930216 is about 542.8045856254.
The spelling of 159930216 in words is "one hundred fifty-nine million, nine hundred thirty thousand, two hundred sixteen".
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