Base | Representation |
---|---|
bin | 110110110111… |
… | …0010111000110 |
3 | 2000010100020011 |
4 | 1231232113012 |
5 | 24330413330 |
6 | 2504300434 |
7 | 466325602 |
oct | 155562706 |
9 | 60110204 |
10 | 28763590 |
11 | 15266569 |
12 | 977171a |
13 | 5c6129b |
14 | 3b6a502 |
15 | 27d282a |
hex | 1b6e5c6 |
28763590 has 16 divisors (see below), whose sum is σ = 51885360. Its totient is φ = 11480800.
The previous prime is 28763573. The next prime is 28763597. The reversal of 28763590 is 9536782.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28763597) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2265 + ... + 7915.
It is an arithmetic number, because the mean of its divisors is an integer number (3242835).
Almost surely, 228763590 is an apocalyptic number.
28763590 is a deficient number, since it is larger than the sum of its proper divisors (23121770).
28763590 is a wasteful number, since it uses less digits than its factorization.
28763590 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6167.
The product of its (nonzero) digits is 90720, while the sum is 40.
The square root of 28763590 is about 5363.1697716929. The cubic root of 28763590 is about 306.3945456766.
The spelling of 28763590 in words is "twenty-eight million, seven hundred sixty-three thousand, five hundred ninety".
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