Base | Representation |
---|---|
bin | 110110010101… |
… | …1101101100011 |
3 | 1222121110202020 |
4 | 1230223231203 |
5 | 24243144340 |
6 | 2454352523 |
7 | 464110650 |
oct | 154535543 |
9 | 58543666 |
10 | 28490595 |
11 | 1509a451 |
12 | 965b743 |
13 | 5b96c53 |
14 | 3ad8c27 |
15 | 277b9d0 |
hex | 1b2bb63 |
28490595 has 32 divisors (see below), whose sum is σ = 54842880. Its totient is φ = 12337920.
The previous prime is 28490593. The next prime is 28490603. The reversal of 28490595 is 59509482.
It is not a de Polignac number, because 28490595 - 21 = 28490593 is a prime.
It is not an unprimeable number, because it can be changed into a prime (28490593) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5146 + ... + 9135.
It is an arithmetic number, because the mean of its divisors is an integer number (1713840).
Almost surely, 228490595 is an apocalyptic number.
28490595 is a deficient number, since it is larger than the sum of its proper divisors (26352285).
28490595 is a wasteful number, since it uses less digits than its factorization.
28490595 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14315.
The product of its (nonzero) digits is 129600, while the sum is 42.
The square root of 28490595 is about 5337.6581943770. The cubic root of 28490595 is about 305.4221333867.
The spelling of 28490595 in words is "twenty-eight million, four hundred ninety thousand, five hundred ninety-five".
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