Base | Representation |
---|---|
bin | 10011101100000… |
… | …00100000101000 |
3 | 102111202122001200 |
4 | 21312000200220 |
5 | 314234342213 |
6 | 24215444200 |
7 | 4043530032 |
oct | 1166004050 |
9 | 374678050 |
10 | 165152808 |
11 | 85251827 |
12 | 47386660 |
13 | 282a5c72 |
14 | 17d10c52 |
15 | e774273 |
hex | 9d80828 |
165152808 has 24 divisors (see below), whose sum is σ = 447289050. Its totient is φ = 55050912.
The previous prime is 165152759. The next prime is 165152839. The reversal of 165152808 is 808251561.
165152808 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 95296644 + 69856164 = 9762^2 + 8358^2 .
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, 1146823 + ... + 1146966.
Almost surely, 2165152808 is an apocalyptic number.
165152808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
165152808 is an abundant number, since it is smaller than the sum of its proper divisors (282136242).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
165152808 is a wasteful number, since it uses less digits than its factorization.
165152808 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2293801 (or 2293794 counting only the distinct ones).
The product of its (nonzero) digits is 19200, while the sum is 36.
The square root of 165152808 is about 12851.1792455012. The cubic root of 165152808 is about 548.6499206416.
The spelling of 165152808 in words is "one hundred sixty-five million, one hundred fifty-two thousand, eight hundred eight".
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