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28368104 = 2317208589
BaseRepresentation
bin110110000110…
…1110011101000
31222101020201112
41230031303220
524230234404
62452005452
7463060562
oct154156350
958336645
1028368104
1115016416
129600888
135b5327b
143aa6332
15275556e
hex1b0dce8

28368104 has 16 divisors (see below), whose sum is σ = 56319300. Its totient is φ = 13349632.

The previous prime is 28368079. The next prime is 28368133. The reversal of 28368104 is 40186382.

It can be written as a sum of positive squares in 2 ways, for example, as 26112100 + 2256004 = 5110^2 + 1502^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 104159 + ... + 104430.

Almost surely, 228368104 is an apocalyptic number.

It is an amenable number.

28368104 is a deficient number, since it is larger than the sum of its proper divisors (27951196).

28368104 is a wasteful number, since it uses less digits than its factorization.

28368104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208612 (or 208608 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 28368104 is about 5326.1716082004. The cubic root of 28368104 is about 304.9837991932.

The spelling of 28368104 in words is "twenty-eight million, three hundred sixty-eight thousand, one hundred four".

Divisors: 1 2 4 8 17 34 68 136 208589 417178 834356 1668712 3546013 7092026 14184052 28368104