Base | Representation |
---|---|
bin | 101001001001… |
… | …110000011100 |
3 | 202022002011200 |
4 | 221021300130 |
5 | 10230202433 |
6 | 1023115500 |
7 | 160460340 |
oct | 51116034 |
9 | 22262150 |
10 | 10787868 |
11 | 60a90a3 |
12 | 3742b90 |
13 | 2309370 |
14 | 160b620 |
15 | e31613 |
hex | a49c1c |
10787868 has 144 divisors (see below), whose sum is σ = 34856640. Its totient is φ = 2737152.
The previous prime is 10787849. The next prime is 10787869. The reversal of 10787868 is 86878701.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10787869) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 121168 + ... + 121256.
It is an arithmetic number, because the mean of its divisors is an integer number (242060).
Almost surely, 210787868 is an apocalyptic number.
10787868 is a gapful number since it is divisible by the number (18) 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 10787868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17428320).
10787868 is an abundant number, since it is smaller than the sum of its proper divisors (24068772).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10787868 is a wasteful number, since it uses less digits than its factorization.
10787868 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 156 (or 151 counting only the distinct ones).
The product of its (nonzero) digits is 150528, while the sum is 45.
The square root of 10787868 is about 3284.4890013517. The cubic root of 10787868 is about 220.9590909994.
The spelling of 10787868 in words is "ten million, seven hundred eighty-seven thousand, eight hundred sixty-eight".
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