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28363103 = 41811853
BaseRepresentation
bin110110000110…
…0100101011111
31222100222212022
41230030211133
524230104403
62451530355
7463040156
oct154144537
958328768
1028363103
111501268a
1295b99bb
135b50c02
143aa459d
152753d38
hex1b0c95f

28363103 has 8 divisors (see below), whose sum is σ = 29124816. Its totient is φ = 27604800.

The previous prime is 28363079. The next prime is 28363183. The reversal of 28363103 is 30136382.

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 28363103 - 26 = 28363039 is a prime.

It is a super-2 number, since 2×283631032 = 1608931223577218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32825 + ... + 33677.

It is an arithmetic number, because the mean of its divisors is an integer number (3640602).

Almost surely, 228363103 is an apocalyptic number.

28363103 is a deficient number, since it is larger than the sum of its proper divisors (761713).

28363103 is an equidigital number, since it uses as much as digits as its factorization.

28363103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1705.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 28363103 is about 5325.7021133368. The cubic root of 28363103 is about 304.9658763221.

Adding to 28363103 its reverse (30136382), we get a palindrome (58499485).

The spelling of 28363103 in words is "twenty-eight million, three hundred sixty-three thousand, one hundred three".

Divisors: 1 41 811 853 33251 34973 691783 28363103