Base | Representation |
---|---|
bin | 10011100011010000001000 |
3 | 100122101100120 |
4 | 103203100020 |
5 | 2303001003 |
6 | 301503240 |
7 | 61364031 |
oct | 23432010 |
9 | 10571316 |
10 | 5125128 |
11 | 2990648 |
12 | 1871b20 |
13 | 10a5a28 |
14 | 975a88 |
15 | 6b3853 |
hex | 4e3408 |
5125128 has 32 divisors (see below), whose sum is σ = 12895200. Its totient is φ = 1697408.
The previous prime is 5125093. The next prime is 5125139. The reversal of 5125128 is 8215215.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a junction number, because it is equal to n+sod(n) for n = 5125098 and 5125107.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3700 + ... + 4892.
It is an arithmetic number, because the mean of its divisors is an integer number (402975).
Almost surely, 25125128 is an apocalyptic number.
It is an amenable number.
5125128 is an abundant number, since it is smaller than the sum of its proper divisors (7770072).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
5125128 is a wasteful number, since it uses less digits than its factorization.
5125128 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1381 (or 1377 counting only the distinct ones).
The product of its digits is 800, while the sum is 24.
The square root of 5125128 is about 2263.8745548285. The cubic root of 5125128 is about 172.4122973627.
It can be divided in two parts, 5125 and 128, that added together give a triangular number (5253 = T102).
The spelling of 5125128 in words is "five million, one hundred twenty-five thousand, one hundred twenty-eight".
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