Base | Representation |
---|---|
bin | 10010100101010… |
… | …00101101011010 |
3 | 101212022112112210 |
4 | 21102220231122 |
5 | 304401132112 |
6 | 23245015550 |
7 | 3601650315 |
oct | 1122505532 |
9 | 355275483 |
10 | 155880282 |
11 | 7aa99188 |
12 | 442545b6 |
13 | 263aa56c |
14 | 169b997c |
15 | da41b3c |
hex | 94a8b5a |
155880282 has 16 divisors (see below), whose sum is σ = 313329600. Its totient is φ = 51698592.
The previous prime is 155880281. The next prime is 155880311. The reversal of 155880282 is 282088551.
It is a self number, because there is not a number n which added to its sum of digits gives 155880282.
It is not an unprimeable number, because it can be changed into a prime (155880281) 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 7 ways as a sum of consecutive naturals, for example, 64083 + ... + 66470.
It is an arithmetic number, because the mean of its divisors is an integer number (19583100).
Almost surely, 2155880282 is an apocalyptic number.
155880282 is an abundant number, since it is smaller than the sum of its proper divisors (157449318).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
155880282 is a wasteful number, since it uses less digits than its factorization.
155880282 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 130757.
The product of its (nonzero) digits is 51200, while the sum is 39.
The square root of 155880282 is about 12485.2025213851. The cubic root of 155880282 is about 538.1835192477.
The spelling of 155880282 in words is "one hundred fifty-five million, eight hundred eighty thousand, two hundred eighty-two".
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