Base | Representation |
---|---|
bin | 10011000111100… |
… | …11100111100000 |
3 | 102011210012221011 |
4 | 21203303213200 |
5 | 312024201113 |
6 | 23525310304 |
7 | 3655135165 |
oct | 1143634740 |
9 | 364705834 |
10 | 160381408 |
11 | 82592a20 |
12 | 45865394 |
13 | 272c5255 |
14 | 1742c06c |
15 | e13063d |
hex | 98f39e0 |
160381408 has 48 divisors (see below), whose sum is σ = 345555504. Its totient is φ = 72668160.
The previous prime is 160381399. The next prime is 160381409. The reversal of 160381408 is 804183061.
160381408 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 160381408.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (160381409) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160366 + ... + 161362.
It is an arithmetic number, because the mean of its divisors is an integer number (7199073).
Almost surely, 2160381408 is an apocalyptic number.
160381408 is the 7312-nd octagonal number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 160381408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172777752).
160381408 is an abundant number, since it is smaller than the sum of its proper divisors (185174096).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
160381408 is a wasteful number, since it uses less digits than its factorization.
160381408 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1475 (or 1467 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 31.
The square root of 160381408 is about 12664.1781415140. The cubic root of 160381408 is about 543.3145562491.
It can be divided in two parts, 16038 and 1408, that multiplied together give a square (22581504 = 47522).
The spelling of 160381408 in words is "one hundred sixty million, three hundred eighty-one thousand, four hundred eight".
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