Base | Representation |
---|---|
bin | 1010011111111110101100 |
3 | 12011211121210 |
4 | 22133332230 |
5 | 1201034203 |
6 | 134554420 |
7 | 32252400 |
oct | 12377654 |
9 | 5154553 |
10 | 2752428 |
11 | 160aa38 |
12 | b08a10 |
13 | 754a73 |
14 | 519100 |
15 | 395803 |
hex | 29ffac |
2752428 has 72 divisors (see below), whose sum is σ = 7762944. Its totient is φ = 756000.
The previous prime is 2752423. The next prime is 2752447. The reversal of 2752428 is 8242572.
It is a junction number, because it is equal to n+sod(n) for n = 2752395 and 2752404.
It is not an unprimeable number, because it can be changed into a prime (2752423) 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, 18153 + ... + 18303.
22752428 is an apocalyptic number.
2752428 is a gapful number since it is divisible by the number (28) 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 2752428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3881472).
2752428 is an abundant number, since it is smaller than the sum of its proper divisors (5010516).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2752428 is a wasteful number, since it uses less digits than its factorization.
2752428 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 203 (or 194 counting only the distinct ones).
The product of its digits is 8960, while the sum is 30.
The square root of 2752428 is about 1659.0443032059. The cubic root of 2752428 is about 140.1431868372.
The spelling of 2752428 in words is "two million, seven hundred fifty-two thousand, four hundred twenty-eight".
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