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28836104 = 23112111553
BaseRepresentation
bin110111000000…
…0000100001000
32000021000200212
41232000010020
524340223404
62510020252
7500050163
oct156000410
960230625
1028836104
1115305aa0
1297a7688
135c882ab
143b88ada
1527e906e
hex1b80108

28836104 has 32 divisors (see below), whose sum is σ = 59300640. Its totient is φ = 13036800.

The previous prime is 28836083. The next prime is 28836139. The reversal of 28836104 is 40163882.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17792 + ... + 19344.

It is an arithmetic number, because the mean of its divisors is an integer number (1853145).

Almost surely, 228836104 is an apocalyptic number.

It is an amenable number.

28836104 is an abundant number, since it is smaller than the sum of its proper divisors (30464536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28836104 is a wasteful number, since it uses less digits than its factorization.

28836104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1781 (or 1777 counting only the distinct ones).

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

The square root of 28836104 is about 5369.9258840323. The cubic root of 28836104 is about 306.6518066734.

Adding to 28836104 its reverse (40163882), we get a palindrome (68999986).

The spelling of 28836104 in words is "twenty-eight million, eight hundred thirty-six thousand, one hundred four".

Divisors: 1 2 4 8 11 22 44 88 211 422 844 1553 1688 2321 3106 4642 6212 9284 12424 17083 18568 34166 68332 136664 327683 655366 1310732 2621464 3604513 7209026 14418052 28836104