Base | Representation |
---|---|
bin | 110110010011… |
… | …1010001011010 |
3 | 1222120112210201 |
4 | 1230213101122 |
5 | 24242104120 |
6 | 2454132414 |
7 | 464003641 |
oct | 154472132 |
9 | 58515721 |
10 | 28472410 |
11 | 1508781a |
12 | 965110a |
13 | 5b8b8a5 |
14 | 3ad2358 |
15 | 277640a |
hex | 1b2745a |
28472410 has 32 divisors (see below), whose sum is σ = 52390800. Its totient is φ = 11139072.
The previous prime is 28472401. The next prime is 28472419. The reversal of 28472410 is 1427482.
It is an interprime number because it is at equal distance from previous prime (28472401) and next prime (28472419).
It can be written as a sum of positive squares in 8 ways, for example, as 14432401 + 14040009 = 3799^2 + 3747^2 .
It is not an unprimeable number, because it can be changed into a prime (28472419) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144432 + ... + 144628.
Almost surely, 228472410 is an apocalyptic number.
28472410 is a deficient number, since it is larger than the sum of its proper divisors (23918390).
28472410 is a wasteful number, since it uses less digits than its factorization.
28472410 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 450.
The product of its (nonzero) digits is 3584, while the sum is 28.
The square root of 28472410 is about 5335.9544600755. The cubic root of 28472410 is about 305.3571378609.
Adding to 28472410 its reverse (1427482), we get a palindrome (29899892).
It can be divided in two parts, 28472 and 410, that added together give a palindrome (28882).
The spelling of 28472410 in words is "twenty-eight million, four hundred seventy-two thousand, four hundred ten".
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