Base | Representation |
---|---|
bin | 10100001111000… |
… | …10011001100000 |
3 | 102211102002120100 |
4 | 22013202121200 |
5 | 321423414224 |
6 | 24502142400 |
7 | 4130556213 |
oct | 1207423140 |
9 | 384362510 |
10 | 169748064 |
11 | 87900262 |
12 | 48a21a00 |
13 | 29224755 |
14 | 1878977a |
15 | ed80ac9 |
hex | a1e2660 |
169748064 has 72 divisors (see below), whose sum is σ = 498318912. Its totient is φ = 54754560.
The previous prime is 169748041. The next prime is 169748081. The reversal of 169748064 is 460847961.
169748064 is a `hidden beast` number, since 169 + 7 + 480 + 6 + 4 = 666.
It is a tau number, because it is divible by the number of its divisors (72).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 579 + ... + 18434.
It is an arithmetic number, because the mean of its divisors is an integer number (6921096).
Almost surely, 2169748064 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 169748064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249159456).
169748064 is an abundant number, since it is smaller than the sum of its proper divisors (328570848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
169748064 is a wasteful number, since it uses less digits than its factorization.
169748064 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19060 (or 19049 counting only the distinct ones).
The product of its (nonzero) digits is 290304, while the sum is 45.
The square root of 169748064 is about 13028.7399237225. The cubic root of 169748064 is about 553.6920356077.
The spelling of 169748064 in words is "one hundred sixty-nine million, seven hundred forty-eight thousand, sixty-four".
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