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28746323 = 1271511499
BaseRepresentation
bin110110110101…
…0001001010011
32000002110112122
41231222021103
524324340243
62504044455
7466224344
oct155521123
960073478
1028746323
11152545a1
12976372b
135c56478
143b640cb
1527cc668
hex1b6a253

28746323 has 8 divisors (see below), whose sum is σ = 29184000. Its totient is φ = 28312200.

The previous prime is 28746313. The next prime is 28746329. The reversal of 28746323 is 32364782.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28746323 - 212 = 28742227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28746329) 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 7 ways as a sum of consecutive naturals, for example, 18428 + ... + 19926.

It is an arithmetic number, because the mean of its divisors is an integer number (3648000).

Almost surely, 228746323 is an apocalyptic number.

28746323 is a deficient number, since it is larger than the sum of its proper divisors (437677).

28746323 is a wasteful number, since it uses less digits than its factorization.

28746323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1777.

The product of its digits is 48384, while the sum is 35.

The square root of 28746323 is about 5361.5597543998. The cubic root of 28746323 is about 306.3332230854. Note that the first 3 decimals are identical.

The spelling of 28746323 in words is "twenty-eight million, seven hundred forty-six thousand, three hundred twenty-three".

Divisors: 1 127 151 1499 19177 190373 226349 28746323