Base | Representation |
---|---|
bin | 111111001111… |
… | …1111111110010 |
3 | 2022101202121200 |
4 | 1332133333302 |
5 | 31442124302 |
6 | 3142432030 |
7 | 551602614 |
oct | 176377762 |
9 | 68352550 |
10 | 33161202 |
11 | 1779a558 |
12 | b132616 |
13 | 6b40b19 |
14 | 4592db4 |
15 | 2da081c |
hex | 1f9fff2 |
33161202 has 12 divisors (see below), whose sum is σ = 71849310. Its totient is φ = 11053728.
The previous prime is 33161201. The next prime is 33161231. The reversal of 33161202 is 20216133.
It can be written as a sum of positive squares in only one way, i.e., 27783441 + 5377761 = 5271^2 + 2319^2 .
It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1842289 = 33161202 / (3 + 3 + 1 + 6 + 1 + 2 + 0 + 2).
It is not an unprimeable number, because it can be changed into a prime (33161201) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 921127 + ... + 921162.
Almost surely, 233161202 is an apocalyptic number.
33161202 is an abundant number, since it is smaller than the sum of its proper divisors (38688108).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
33161202 is a wasteful number, since it uses less digits than its factorization.
33161202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1842297 (or 1842294 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
The square root of 33161202 is about 5758.5763865733. The cubic root of 33161202 is about 321.2748686507.
Adding to 33161202 its reverse (20216133), we get a palindrome (53377335).
The spelling of 33161202 in words is "thirty-three million, one hundred sixty-one thousand, two hundred two".
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