Base | Representation |
---|---|
bin | 10010111011110… |
… | …10110110000000 |
3 | 102001212210222020 |
4 | 21131322312000 |
5 | 311130310034 |
6 | 23432241440 |
7 | 3636046653 |
oct | 1135726600 |
9 | 361783866 |
10 | 158838144 |
11 | 817294a3 |
12 | 45240280 |
13 | 26ba498a |
14 | 1714989a |
15 | de28249 |
hex | 977ad80 |
158838144 has 64 divisors (see below), whose sum is σ = 428893680. Its totient is φ = 52070400.
The previous prime is 158838139. The next prime is 158838181. The reversal of 158838144 is 441838851.
158838144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (64).
It is a junction number, because it is equal to n+sod(n) for n = 158838096 and 158838105.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20034 + ... + 26814.
Almost surely, 2158838144 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 158838144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214446840).
158838144 is an abundant number, since it is smaller than the sum of its proper divisors (270055536).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
158838144 is an equidigital number, since it uses as much as digits as its factorization.
158838144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6859 (or 6847 counting only the distinct ones).
The product of its digits is 122880, while the sum is 42.
The square root of 158838144 is about 12603.1005708913. The cubic root of 158838144 is about 541.5662620158.
The spelling of 158838144 in words is "one hundred fifty-eight million, eight hundred thirty-eight thousand, one hundred forty-four".
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