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28960336 = 2410117921
BaseRepresentation
bin110111001111…
…0011001010000
32000111100010001
41232132121100
524403212321
62512415344
7501105316
oct156363120
960440101
1028960336
1115390369
129847554
135ccc9c2
143bbc0b6
152820c91
hex1b9e650

28960336 has 20 divisors (see below), whose sum is σ = 56669364. Its totient is φ = 14336000.

The previous prime is 28960331. The next prime is 28960343. The reversal of 28960336 is 63306982.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13278736 + 15681600 = 3644^2 + 3960^2 .

It is a super-2 number, since 2×289603362 = 1677402122465792, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28960295 and 28960304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28960331) 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 3 ways as a sum of consecutive naturals, for example, 7345 + ... + 10576.

Almost surely, 228960336 is an apocalyptic number.

It is an amenable number.

28960336 is a deficient number, since it is larger than the sum of its proper divisors (27709028).

28960336 is a wasteful number, since it uses less digits than its factorization.

28960336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18030 (or 18024 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 28960336 is about 5381.4808370931. The cubic root of 28960336 is about 307.0915492652.

The spelling of 28960336 in words is "twenty-eight million, nine hundred sixty thousand, three hundred thirty-six".

Divisors: 1 2 4 8 16 101 202 404 808 1616 17921 35842 71684 143368 286736 1810021 3620042 7240084 14480168 28960336