Base | Representation |
---|---|
bin | 10010111011110… |
… | …00100010001000 |
3 | 102001212022222201 |
4 | 21131320202020 |
5 | 311130004210 |
6 | 23432125544 |
7 | 3636010243 |
oct | 1135704210 |
9 | 361768881 |
10 | 158828680 |
11 | 8172237a |
12 | 452368b4 |
13 | 26ba058a |
14 | 1714625a |
15 | de2553a |
hex | 9778888 |
158828680 has 32 divisors (see below), whose sum is σ = 358136640. Its totient is φ = 63394240.
The previous prime is 158828641. The next prime is 158828687. The reversal of 158828680 is 86828851.
It is a self number, because there is not a number n which added to its sum of digits gives 158828680.
It is not an unprimeable number, because it can be changed into a prime (158828687) 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, 15597 + ... + 23683.
It is an arithmetic number, because the mean of its divisors is an integer number (11191770).
Almost surely, 2158828680 is an apocalyptic number.
158828680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
158828680 is an abundant number, since it is smaller than the sum of its proper divisors (199307960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
158828680 is a wasteful number, since it uses less digits than its factorization.
158828680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8589 (or 8585 counting only the distinct ones).
The product of its (nonzero) digits is 245760, while the sum is 46.
The square root of 158828680 is about 12602.7251021356. The cubic root of 158828680 is about 541.5555058150. Note that the first 4 decimals are identical.
The spelling of 158828680 in words is "one hundred fifty-eight million, eight hundred twenty-eight thousand, six hundred eighty".
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