Base | Representation |
---|---|
bin | 110110011011… |
… | …0011110100111 |
3 | 1222200201020120 |
4 | 1230312132213 |
5 | 24301102240 |
6 | 2455333023 |
7 | 464353350 |
oct | 154663647 |
9 | 58621216 |
10 | 28534695 |
11 | 1511a5a2 |
12 | 9681173 |
13 | 5bb1047 |
14 | 3b0ad27 |
15 | 2789ad0 |
hex | 1b367a7 |
28534695 has 32 divisors (see below), whose sum is σ = 53982720. Its totient is φ = 12593280.
The previous prime is 28534691. The next prime is 28534747. The reversal of 28534695 is 59643582.
It is not a de Polignac number, because 28534695 - 22 = 28534691 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28534691) 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, 1641 + ... + 7730.
It is an arithmetic number, because the mean of its divisors is an integer number (1686960).
Almost surely, 228534695 is an apocalyptic number.
28534695 is a deficient number, since it is larger than the sum of its proper divisors (25448025).
28534695 is a wasteful number, since it uses less digits than its factorization.
28534695 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9415.
The product of its digits is 259200, while the sum is 42.
The square root of 28534695 is about 5341.7876221355. The cubic root of 28534695 is about 305.5796376734.
It can be divided in two parts, 285 and 34695, that added together give a triangular number (34980 = T264).
The spelling of 28534695 in words is "twenty-eight million, five hundred thirty-four thousand, six hundred ninety-five".
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