Base | Representation |
---|---|
bin | 10011001100111… |
… | …10111000101010 |
3 | 102020002212020011 |
4 | 21212132320222 |
5 | 312214123142 |
6 | 23552322134 |
7 | 3664116340 |
oct | 1146367052 |
9 | 366085204 |
10 | 161082922 |
11 | 82a21a90 |
12 | 45b4334a |
13 | 274ac650 |
14 | 17571990 |
15 | e21d417 |
hex | 999ee2a |
161082922 has 64 divisors (see below), whose sum is σ = 343574784. Its totient is φ = 54512640.
The previous prime is 161082917. The next prime is 161082923. The reversal of 161082922 is 229280161.
It is not an unprimeable number, because it can be changed into a prime (161082923) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31668 + ... + 36400.
It is an arithmetic number, because the mean of its divisors is an integer number (5368356).
Almost surely, 2161082922 is an apocalyptic number.
161082922 is an abundant number, since it is smaller than the sum of its proper divisors (182491862).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
161082922 is a wasteful number, since it uses less digits than its factorization.
161082922 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4783.
The product of its (nonzero) digits is 3456, while the sum is 31.
The square root of 161082922 is about 12691.8447043761. The cubic root of 161082922 is about 544.1055631539.
The spelling of 161082922 in words is "one hundred sixty-one million, eighty-two thousand, nine hundred twenty-two".
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