Base | Representation |
---|---|
bin | 10010100111001000000111 |
3 | 100011212112100 |
4 | 102213020013 |
5 | 2222110410 |
6 | 252323143 |
7 | 56320032 |
oct | 22471007 |
9 | 10155470 |
10 | 4878855 |
11 | 2832613 |
12 | 17734b3 |
13 | 101a8c7 |
14 | 910019 |
15 | 6658c0 |
hex | 4a7207 |
4878855 has 24 divisors (see below), whose sum is σ = 8517600. Its totient is φ = 2583360.
The previous prime is 4878851. The next prime is 4878869. The reversal of 4878855 is 5588784.
4878855 is nontrivially palindromic in base 14.
It is not a de Polignac number, because 4878855 - 22 = 4878851 is a prime.
It is a super-2 number, since 2×48788552 = 47606452222050, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 4878855.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4878851) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7846 + ... + 8444.
It is an arithmetic number, because the mean of its divisors is an integer number (354900).
Almost surely, 24878855 is an apocalyptic number.
4878855 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
4878855 is a deficient number, since it is larger than the sum of its proper divisors (3638745).
4878855 is a wasteful number, since it uses less digits than its factorization.
4878855 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 791 (or 788 counting only the distinct ones).
The product of its digits is 358400, while the sum is 45.
The square root of 4878855 is about 2208.8130296610. The cubic root of 4878855 is about 169.6052548026.
The spelling of 4878855 in words is "four million, eight hundred seventy-eight thousand, eight hundred fifty-five".
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