Base | Representation |
---|---|
bin | 10010111000101… |
… | …10001101100100 |
3 | 102001002212120000 |
4 | 21130112031210 |
5 | 311024112311 |
6 | 23415341300 |
7 | 3632412153 |
oct | 1134261544 |
9 | 361085500 |
10 | 158425956 |
11 | 81477847 |
12 | 45081830 |
13 | 26a8c190 |
14 | 1707d59a |
15 | dd96056 |
hex | 9716364 |
158425956 has 120 divisors (see below), whose sum is σ = 461750520. Its totient is φ = 47029248.
The previous prime is 158425951. The next prime is 158425991. The reversal of 158425956 is 659524851.
158425956 is a `hidden beast` number, since 1 + 58 + 4 + 2 + 595 + 6 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 46785600 + 111640356 = 6840^2 + 10566^2 .
It is not an unprimeable number, because it can be changed into a prime (158425951) 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 39 ways as a sum of consecutive naturals, for example, 121500 + ... + 122796.
It is an arithmetic number, because the mean of its divisors is an integer number (3847921).
Almost surely, 2158425956 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 158425956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230875260).
158425956 is an abundant number, since it is smaller than the sum of its proper divisors (303324564).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
158425956 is a wasteful number, since it uses less digits than its factorization.
158425956 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1355 (or 1344 counting only the distinct ones).
The product of its digits is 432000, while the sum is 45.
The square root of 158425956 is about 12586.7373055927. The cubic root of 158425956 is about 541.0973979665.
The spelling of 158425956 in words is "one hundred fifty-eight million, four hundred twenty-five thousand, nine hundred fifty-six".
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