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28254337 is a prime number
BaseRepresentation
bin110101111001…
…0000010000001
31222011110122221
41223302002001
524213114322
62445331041
7462105106
oct153620201
958143587
1028254337
1114a489a1
129566a81
135b13557
143a76aad
1527319c7
hex1af2081

28254337 has 2 divisors, whose sum is σ = 28254338. Its totient is φ = 28254336.

The previous prime is 28254329. The next prime is 28254367. The reversal of 28254337 is 73345282.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25160256 + 3094081 = 5016^2 + 1759^2 .

It is a cyclic number.

It is not a de Polignac number, because 28254337 - 23 = 28254329 is a prime.

It is not a weakly prime, because it can be changed into another prime (28254307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14127168 + 14127169.

It is an arithmetic number, because the mean of its divisors is an integer number (14127169).

Almost surely, 228254337 is an apocalyptic number.

It is an amenable number.

28254337 is a deficient number, since it is larger than the sum of its proper divisors (1).

28254337 is an equidigital number, since it uses as much as digits as its factorization.

28254337 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 34.

The square root of 28254337 is about 5315.4808813502. The cubic root of 28254337 is about 304.5755522128.

The spelling of 28254337 in words is "twenty-eight million, two hundred fifty-four thousand, three hundred thirty-seven".