Base | Representation |
---|---|
bin | 10100001111011… |
… | …10011000001100 |
3 | 102211111120212200 |
4 | 22013232120030 |
5 | 321432002012 |
6 | 24503201500 |
7 | 4131152241 |
oct | 1207563014 |
9 | 384446780 |
10 | 169797132 |
11 | 8793410a |
12 | 48a46290 |
13 | 29240b9b |
14 | 1879d5c8 |
15 | ed903dc |
hex | a1ee60c |
169797132 has 36 divisors (see below), whose sum is σ = 447872880. Its totient is φ = 54137952.
The previous prime is 169797127. The next prime is 169797157. The reversal of 169797132 is 231797961.
It is a tau number, because it is divible by the number of its divisors (36).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101707 + ... + 103362.
Almost surely, 2169797132 is an apocalyptic number.
169797132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
169797132 is an abundant number, since it is smaller than the sum of its proper divisors (278075748).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
169797132 is a wasteful number, since it uses less digits than its factorization.
169797132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 205102 (or 205097 counting only the distinct ones).
The product of its digits is 142884, while the sum is 45.
The square root of 169797132 is about 13030.6228554126. The cubic root of 169797132 is about 553.7453812203.
The spelling of 169797132 in words is "one hundred sixty-nine million, seven hundred ninety-seven thousand, one hundred thirty-two".
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