Base | Representation |
---|---|
bin | 110110011010… |
… | …1001110111011 |
3 | 1222200110020200 |
4 | 1230311032323 |
5 | 24300421340 |
6 | 2455253243 |
7 | 464332443 |
oct | 154651673 |
9 | 58613220 |
10 | 28529595 |
11 | 15116786 |
12 | 967a223 |
13 | 5bab923 |
14 | 3b09123 |
15 | 2788330 |
hex | 1b353bb |
28529595 has 12 divisors (see below), whose sum is σ = 49451376. Its totient is φ = 15215760.
The previous prime is 28529581. The next prime is 28529617. The reversal of 28529595 is 59592582.
28529595 is a `hidden beast` number, since 2 + 8 + 52 + 9 + 595 = 666.
It is not a de Polignac number, because 28529595 - 26 = 28529531 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 633991 = 28529595 / (2 + 8 + 5 + 2 + 9 + 5 + 9 + 5).
It is a self number, because there is not a number n which added to its sum of digits gives 28529595.
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, 316951 + ... + 317040.
It is an arithmetic number, because the mean of its divisors is an integer number (4120948).
Almost surely, 228529595 is an apocalyptic number.
28529595 is a deficient number, since it is larger than the sum of its proper divisors (20921781).
28529595 is a wasteful number, since it uses less digits than its factorization.
28529595 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 634002 (or 633999 counting only the distinct ones).
The product of its digits is 324000, while the sum is 45.
The square root of 28529595 is about 5341.3102325179. The cubic root of 28529595 is about 305.5614311940.
It can be divided in two parts, 285295 and 95, that added together give a triangular number (285390 = T755).
The spelling of 28529595 in words is "twenty-eight million, five hundred twenty-nine thousand, five hundred ninety-five".
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