Base | Representation |
---|---|
bin | 10011000001101111100110 |
3 | 100101102002020 |
4 | 103001233212 |
5 | 2234103003 |
6 | 254524010 |
7 | 60252630 |
oct | 23015746 |
9 | 10342066 |
10 | 4987878 |
11 | 28a7515 |
12 | 1806606 |
13 | 105840c |
14 | 93ba50 |
15 | 687d53 |
hex | 4c1be6 |
4987878 has 32 divisors (see below), whose sum is σ = 11521536. Its totient is φ = 1410048.
The previous prime is 4987877. The next prime is 4987889. The reversal of 4987878 is 8787894.
4987878 is digitally balanced in base 4 and base 8, because in such bases it contains all the possibile digits an equal number of times.
It is an alternating number because its digits alternate between even and odd.
4987878 is strictly pandigital in base 8.
It is a self number, because there is not a number n which added to its sum of digits gives 4987878.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4987877) 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, 3750 + ... + 4902.
It is an arithmetic number, because the mean of its divisors is an integer number (360048).
Almost surely, 24987878 is an apocalyptic number.
4987878 is an abundant number, since it is smaller than the sum of its proper divisors (6533658).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4987878 is a wasteful number, since it uses less digits than its factorization.
4987878 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1268.
The product of its digits is 903168, while the sum is 51.
The square root of 4987878 is about 2233.3557710316. The cubic root of 4987878 is about 170.8592939858.
The spelling of 4987878 in words is "four million, nine hundred eighty-seven thousand, eight hundred seventy-eight".
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