Base | Representation |
---|---|
bin | 110110010110… |
… | …0011101101011 |
3 | 1222121121222022 |
4 | 1230230131223 |
5 | 24243244200 |
6 | 2454415055 |
7 | 464122640 |
oct | 154543553 |
9 | 58547868 |
10 | 28493675 |
11 | 150a17a1 |
12 | 966148b |
13 | 5b98482 |
14 | 3ad9dc7 |
15 | 277c885 |
hex | 1b2c76b |
28493675 has 12 divisors (see below), whose sum is σ = 40379856. Its totient is φ = 19538400.
The previous prime is 28493659. The next prime is 28493713. The reversal of 28493675 is 57639482.
It is not a de Polignac number, because 28493675 - 24 = 28493659 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81236 + ... + 81585.
It is an arithmetic number, because the mean of its divisors is an integer number (3364988).
Almost surely, 228493675 is an apocalyptic number.
28493675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
28493675 is a deficient number, since it is larger than the sum of its proper divisors (11886181).
28493675 is a wasteful number, since it uses less digits than its factorization.
28493675 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 162838 (or 162833 counting only the distinct ones).
The product of its digits is 362880, while the sum is 44.
The square root of 28493675 is about 5337.9467026189. The cubic root of 28493675 is about 305.4331389633.
The spelling of 28493675 in words is "twenty-eight million, four hundred ninety-three thousand, six hundred seventy-five".
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