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28363283 = 135713821
BaseRepresentation
bin110110000110…
…0101000010011
31222101000002222
41230030220103
524230111113
62451531255
7463040534
oct154145023
958330088
1028363283
1115012833
1295b9b2b
135b51010
143aa468b
152753e08
hex1b0ca13

28363283 has 8 divisors (see below), whose sum is σ = 30606576. Its totient is φ = 26128800.

The previous prime is 28363277. The next prime is 28363303. The reversal of 28363283 is 38236382.

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 28363283 - 210 = 28362259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28363183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5513 + ... + 9333.

It is an arithmetic number, because the mean of its divisors is an integer number (3825822).

Almost surely, 228363283 is an apocalyptic number.

28363283 is a deficient number, since it is larger than the sum of its proper divisors (2243293).

28363283 is a wasteful number, since it uses less digits than its factorization.

28363283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4405.

The product of its digits is 41472, while the sum is 35.

The square root of 28363283 is about 5325.7190124902. The cubic root of 28363283 is about 304.9665214530.

The spelling of 28363283 in words is "twenty-eight million, three hundred sixty-three thousand, two hundred eighty-three".

Divisors: 1 13 571 3821 7423 49673 2181791 28363283