Base | Representation |
---|---|
bin | 10010111100001… |
… | …10101110101100 |
3 | 102001222021202100 |
4 | 21132012232230 |
5 | 311133334303 |
6 | 23433255100 |
7 | 3636341622 |
oct | 1136065654 |
9 | 361867670 |
10 | 158886828 |
11 | 81762031 |
12 | 45264490 |
13 | 26bc0b99 |
14 | 1715d512 |
15 | de378a3 |
hex | 9786bac |
158886828 has 36 divisors (see below), whose sum is σ = 425257560. Its totient is φ = 49846656.
The previous prime is 158886821. The next prime is 158886851. The reversal of 158886828 is 828688851.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (36).
It is a super-3 number, since 3×1588868283 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is not an unprimeable number, because it can be changed into a prime (158886821) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129198 + ... + 130421.
It is an arithmetic number, because the mean of its divisors is an integer number (11812710).
Almost surely, 2158886828 is an apocalyptic number.
158886828 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
158886828 is an abundant number, since it is smaller than the sum of its proper divisors (266370732).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
158886828 is a wasteful number, since it uses less digits than its factorization.
158886828 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 259646 (or 259641 counting only the distinct ones).
The product of its digits is 1966080, while the sum is 54.
The square root of 158886828 is about 12605.0318523993. The cubic root of 158886828 is about 541.6215865074.
The spelling of 158886828 in words is "one hundred fifty-eight million, eight hundred eighty-six thousand, eight hundred twenty-eight".
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