Base | Representation |
---|---|
bin | 10100001110100… |
… | …01110100001101 |
3 | 102211021122101200 |
4 | 22013101310031 |
5 | 321414231031 |
6 | 24500500113 |
7 | 4130154201 |
oct | 1207216415 |
9 | 384248350 |
10 | 169680141 |
11 | 87864224 |
12 | 489aa639 |
13 | 291cc867 |
14 | 1876cb01 |
15 | ed6a8e6 |
hex | a1d1d0d |
169680141 has 6 divisors (see below), whose sum is σ = 245093550. Its totient is φ = 113120088.
The previous prime is 169680103. The next prime is 169680149. The reversal of 169680141 is 141086961.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 111386916 + 58293225 = 10554^2 + 7635^2 .
It is not a de Polignac number, because 169680141 - 210 = 169679117 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 169680096 and 169680105.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (169680149) by changing a digit.
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 5 ways as a sum of consecutive naturals, for example, 9426666 + ... + 9426683.
It is an arithmetic number, because the mean of its divisors is an integer number (40848925).
Almost surely, 2169680141 is an apocalyptic number.
It is an amenable number.
169680141 is a deficient number, since it is larger than the sum of its proper divisors (75413409).
169680141 is a wasteful number, since it uses less digits than its factorization.
169680141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18853355 (or 18853352 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 36.
The square root of 169680141 is about 13026.1330025453. The cubic root of 169680141 is about 553.6181743009.
The spelling of 169680141 in words is "one hundred sixty-nine million, six hundred eighty thousand, one hundred forty-one".
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