Base | Representation |
---|---|
bin | 10010110110010… |
… | …00100010100000 |
3 | 102000111201010202 |
4 | 21123020202200 |
5 | 310433422213 |
6 | 23404444332 |
7 | 3626615465 |
oct | 1133104240 |
9 | 360451122 |
10 | 158107808 |
11 | 8127a811 |
12 | 44b496a8 |
13 | 269aa421 |
14 | 16dd966c |
15 | dd31b58 |
hex | 96c88a0 |
158107808 has 48 divisors (see below), whose sum is σ = 327585384. Its totient is φ = 75018240.
The previous prime is 158107753. The next prime is 158107891. The reversal of 158107808 is 808701851.
It can be written as a sum of positive squares in 4 ways, for example, as 148547344 + 9560464 = 12188^2 + 3092^2 .
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, 46916 + ... + 50172.
Almost surely, 2158107808 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 158107808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163792692).
158107808 is an abundant number, since it is smaller than the sum of its proper divisors (169477576).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
158107808 is a wasteful number, since it uses less digits than its factorization.
158107808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3345 (or 3337 counting only the distinct ones).
The product of its (nonzero) digits is 17920, while the sum is 38.
The square root of 158107808 is about 12574.0927306904. The cubic root of 158107808 is about 540.7349480592.
The spelling of 158107808 in words is "one hundred fifty-eight million, one hundred seven thousand, eight hundred eight".
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