Base | Representation |
---|---|
bin | 110001111011… |
… | …011100101011 |
3 | 220121222010022 |
4 | 301323130223 |
5 | 11322313210 |
6 | 1144311055 |
7 | 216152024 |
oct | 61733453 |
9 | 26558108 |
10 | 13088555 |
11 | 742a697 |
12 | 447248b |
13 | 293360c |
14 | 1a49c4b |
15 | 1238155 |
hex | c7b72b |
13088555 has 16 divisors (see below), whose sum is σ = 17021664. Its totient is φ = 9623040.
The previous prime is 13088533. The next prime is 13088557. The reversal of 13088555 is 55588031.
It is not a de Polignac number, because 13088555 - 222 = 8894251 is a prime.
It is a super-4 number, since 4×130885554 (a number of 30 digits) contains 4444 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13088557) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1865 + ... + 5445.
It is an arithmetic number, because the mean of its divisors is an integer number (1063854).
Almost surely, 213088555 is an apocalyptic number.
13088555 is a deficient number, since it is larger than the sum of its proper divisors (3933109).
13088555 is a wasteful number, since it uses less digits than its factorization.
13088555 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3646.
The product of its (nonzero) digits is 24000, while the sum is 35.
The square root of 13088555 is about 3617.8108021288. The cubic root of 13088555 is about 235.6661647362. Note that the first 3 decimals are identical.
The spelling of 13088555 in words is "thirteen million, eighty-eight thousand, five hundred fifty-five".
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