Base | Representation |
---|---|
bin | 110110110101… |
… | …1101101111010 |
3 | 2000002210101010 |
4 | 1231223231322 |
5 | 24330042022 |
6 | 2504134350 |
7 | 466252203 |
oct | 155535572 |
9 | 60083333 |
10 | 28752762 |
11 | 15259415 |
12 | 97673b6 |
13 | 5c5938c |
14 | 3b665aa |
15 | 27ce50c |
hex | 1b6bb7a |
28752762 has 8 divisors (see below), whose sum is σ = 57505536. Its totient is φ = 9584252.
The previous prime is 28752751. The next prime is 28752769. The reversal of 28752762 is 26725782.
It is a sphenic number, since it is the product of 3 distinct primes.
28752762 is an admirable number.
It is a self number, because there is not a number n which added to its sum of digits gives 28752762.
It is not an unprimeable number, because it can be changed into a prime (28752769) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2396058 + ... + 2396069.
It is an arithmetic number, because the mean of its divisors is an integer number (7188192).
Almost surely, 228752762 is an apocalyptic number.
28752762 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28752762 is a wasteful number, since it uses less digits than its factorization.
28752762 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4792132.
The product of its digits is 94080, while the sum is 39.
The square root of 28752762 is about 5362.1601990243. The cubic root of 28752762 is about 306.3560936320.
The spelling of 28752762 in words is "twenty-eight million, seven hundred fifty-two thousand, seven hundred sixty-two".
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