Base | Representation |
---|---|
bin | 1011111010101110100000 |
3 | 12212201111110 |
4 | 23322232200 |
5 | 1244433003 |
6 | 150543320 |
7 | 35361150 |
oct | 13725640 |
9 | 5781443 |
10 | 3124128 |
11 | 1844227 |
12 | 1067b40 |
13 | 854cc7 |
14 | 5b4760 |
15 | 41aa03 |
hex | 2faba0 |
3124128 has 48 divisors (see below), whose sum is σ = 9374400. Its totient is φ = 892416.
The previous prime is 3124127. The next prime is 3124129. The reversal of 3124128 is 8214213.
3124128 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (3124127) and next prime (3124129).
It is a tau number, because it is divible by the number of its divisors (48).
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a nude number because it is divisible by every one of its digits.
3124128 is strictly pandigital in base 8.
It is not an unprimeable number, because it can be changed into a prime (3124123) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1653 + ... + 2996.
It is an arithmetic number, because the mean of its divisors is an integer number (195300).
Almost surely, 23124128 is an apocalyptic number.
It is an amenable number.
3124128 is an abundant number, since it is smaller than the sum of its proper divisors (6250272).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3124128 is a wasteful number, since it uses less digits than its factorization.
3124128 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4669 (or 4661 counting only the distinct ones).
The product of its digits is 384, while the sum is 21.
The square root of 3124128 is about 1767.5202969132. The cubic root of 3124128 is about 146.1872870138.
The spelling of 3124128 in words is "three million, one hundred twenty-four thousand, one hundred twenty-eight".
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