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10328287 = 19135399
BaseRepresentation
bin100111011001…
…100011011111
3201102201202011
4213121203133
510121001122
61005212051
7153534424
oct47314337
921381664
1010328287
115914882
123561027
1321a8118
14152bd4b
15d90377
hex9d98df

10328287 has 4 divisors (see below), whose sum is σ = 10335600. Its totient is φ = 10320976.

The previous prime is 10328257. The next prime is 10328303. The reversal of 10328287 is 78282301.

10328287 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 78282301 = 86998999.

It is a cyclic number.

It is not a de Polignac number, because 10328287 - 219 = 9803999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10328207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 787 + ... + 4612.

It is an arithmetic number, because the mean of its divisors is an integer number (2583900).

Almost surely, 210328287 is an apocalyptic number.

10328287 is a deficient number, since it is larger than the sum of its proper divisors (7313).

10328287 is an equidigital number, since it uses as much as digits as its factorization.

10328287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7312.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 10328287 is about 3213.7652372256. The cubic root of 10328287 is about 217.7757070834.

The spelling of 10328287 in words is "ten million, three hundred twenty-eight thousand, two hundred eighty-seven".

Divisors: 1 1913 5399 10328287