Base | Representation |
---|---|
bin | 1100010000111… |
… | …01100011001101 |
3 | 21011120220212101 |
4 | 12020131203031 |
5 | 202314201420 |
6 | 14113035101 |
7 | 2356323010 |
oct | 610354315 |
9 | 234526771 |
10 | 102881485 |
11 | 5308a423 |
12 | 2a555a91 |
13 | 18412225 |
14 | d941377 |
15 | 907360a |
hex | 621d8cd |
102881485 has 32 divisors (see below), whose sum is σ = 150681600. Its totient is φ = 65862720.
The previous prime is 102881483. The next prime is 102881489. The reversal of 102881485 is 584188201.
It is a happy number.
It is not a de Polignac number, because 102881485 - 21 = 102881483 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102881483) 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 31 ways as a sum of consecutive naturals, for example, 46126 + ... + 48304.
It is an arithmetic number, because the mean of its divisors is an integer number (4708800).
Almost surely, 2102881485 is an apocalyptic number.
It is an amenable number.
102881485 is a deficient number, since it is larger than the sum of its proper divisors (47800115).
102881485 is a wasteful number, since it uses less digits than its factorization.
102881485 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2281.
The product of its (nonzero) digits is 20480, while the sum is 37.
The square root of 102881485 is about 10143.0510695747. The cubic root of 102881485 is about 468.5749578137.
The spelling of 102881485 in words is "one hundred two million, eight hundred eighty-one thousand, four hundred eighty-five".
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