Base | Representation |
---|---|
bin | 1100010000111… |
… | …11000110110100 |
3 | 21011121020121111 |
4 | 12020133012310 |
5 | 202314402420 |
6 | 14113124404 |
7 | 2356350415 |
oct | 610370664 |
9 | 234536544 |
10 | 102887860 |
11 | 53094199 |
12 | 2a559704 |
13 | 184150ba |
14 | d94380c |
15 | 907545a |
hex | 621f1b4 |
102887860 has 48 divisors (see below), whose sum is σ = 222630912. Its totient is φ = 39916800.
The previous prime is 102887857. The next prime is 102887867. The reversal of 102887860 is 68788201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102887867) 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 15 ways as a sum of consecutive naturals, for example, 221989 + ... + 222451.
It is an arithmetic number, because the mean of its divisors is an integer number (4638144).
Almost surely, 2102887860 is an apocalyptic number.
102887860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 102887860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111315456).
102887860 is an abundant number, since it is smaller than the sum of its proper divisors (119743052).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102887860 is a wasteful number, since it uses less digits than its factorization.
102887860 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 784 (or 782 counting only the distinct ones).
The product of its (nonzero) digits is 43008, while the sum is 40.
The square root of 102887860 is about 10143.3653192617. The cubic root of 102887860 is about 468.5846359518.
It can be divided in two parts, 1028 and 87860, that added together give a palindrome (88888).
The spelling of 102887860 in words is "one hundred two million, eight hundred eighty-seven thousand, eight hundred sixty".
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