Base | Representation |
---|---|
bin | 110110010111… |
… | …1101110110110 |
3 | 1222122022100010 |
4 | 1230233232312 |
5 | 24244211222 |
6 | 2455001050 |
7 | 464206653 |
oct | 154575666 |
9 | 58568303 |
10 | 28507062 |
11 | 15100861 |
12 | 9669186 |
13 | 5ba15ac |
14 | 3b00c2a |
15 | 278180c |
hex | 1b2fbb6 |
28507062 has 16 divisors (see below), whose sum is σ = 60368112. Its totient is φ = 8943360.
The previous prime is 28507033. The next prime is 28507109. The reversal of 28507062 is 26070582.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 139639 + ... + 139842.
It is an arithmetic number, because the mean of its divisors is an integer number (3773007).
Almost surely, 228507062 is an apocalyptic number.
28507062 is an abundant number, since it is smaller than the sum of its proper divisors (31861050).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28507062 is a wasteful number, since it uses less digits than its factorization.
28507062 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 279503.
The product of its (nonzero) digits is 6720, while the sum is 30.
The square root of 28507062 is about 5339.2005019478. The cubic root of 28507062 is about 305.4809647030.
The spelling of 28507062 in words is "twenty-eight million, five hundred seven thousand, sixty-two".
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